Praise be to Allah, the Lord of the Worlds; and may His blessings and peace be upon our Prophet Muhammad and upon all his Family and Companions.
Ibn Katheer reported in his 'Tafseer' that Mujahid said: "This is the number of the letters of the Qur'an as we counted them: 320,015 letters (three hundred and twenty thousand and fifteen letters).
As for the number of the words of the Qur'an it is: 77,449 words (seventy seven thousand four hundred and forty nine words).
As for its verses, their number is more than six thousand verses. Some scholars say it is 6236 verse. Others put it at 6204 or 6226… etc.
The number of the Surah (chapters) of the Qur'an is 114 Surah.
Allah knows best.