129833664 has 28 divisors (see below), whose sum is σ = 343518744. Its totient is φ = 43277824.

The previous prime is 129833659. The next prime is 129833687. The reversal of 129833664 is 466338921.

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, 337917 + ... + 338300.

Almost surely, 2^129833664 is an apocalyptic number.

It is an amenable number.

129833664 is an abundant number, since it is smaller than the sum of its proper divisors (213685080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129833664 is an equidigital number, since it uses as much as digits as its factorization.

129833664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676232 (or 676222 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 129833664 is about 11394.4576000791. The cubic root of 129833664 is about 506.3635521536.

The spelling of 129833664 in words is "one hundred twenty-nine million, eight hundred thirty-three thousand, six hundred sixty-four".