129152664 has 32 divisors (see below), whose sum is σ = 358758000. Its totient is φ = 43050816.

The previous prime is 129152657. The next prime is 129152701. The reversal of 129152664 is 466251921.

129152664 is a `hidden beast` number, since 129 + 1 + 526 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298749 + ... + 299180.

Almost surely, 2^129152664 is an apocalyptic number.

It is an amenable number.

129152664 is an abundant number, since it is smaller than the sum of its proper divisors (229605336).

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

129152664 is a wasteful number, since it uses less digits than its factorization.

129152664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597944 (or 597934 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 129152664 is about 11364.5353622574. The cubic root of 129152664 is about 505.4766782996.

The spelling of 129152664 in words is "one hundred twenty-nine million, one hundred fifty-two thousand, six hundred sixty-four".