Numbers 3:49-51
3:49 So Moses took the redemption money from those who were in excess of those redeemed by the Levites.
3:50 From the firstborn males of the Israelites he collected the money, 1,365 shekels, according to the sanctuary shekel.
3:51 Moses gave the redemption money to Aaron and his sons, according to the word of the Lord, as the Lord had commanded Moses.