133326138664 has 16 divisors (see below), whose sum is σ = 249999045120. Its totient is φ = 66659726640.

The previous prime is 133326138643. The next prime is 133326138677. The reversal of 133326138664 is 466831623331.

It is a happy number.

133326138664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244072 + ... + 571159.

It is an arithmetic number, because the mean of its divisors is an integer number (15624940320).

Almost surely, 2^133326138664 is an apocalyptic number.

It is an amenable number.

133326138664 is a deficient number, since it is larger than the sum of its proper divisors (116672906456).

133326138664 is a wasteful number, since it uses less digits than its factorization.

133326138664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835680 (or 835676 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 46.

The spelling of 133326138664 in words is "one hundred thirty-three billion, three hundred twenty-six million, one hundred thirty-eight thousand, six hundred sixty-four".