129995000356 has 96 divisors (see below), whose sum is σ = 265356748160. Its totient is φ = 55198900224.

The previous prime is 129995000321. The next prime is 129995000407. The reversal of 129995000356 is 653000599921.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21089731 + ... + 21095893.

Almost surely, 2^129995000356 is an apocalyptic number.

129995000356 is the 228031-st heptagonal number.

It is an amenable number.

129995000356 is an abundant number, since it is smaller than the sum of its proper divisors (135361747804).

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

129995000356 is a wasteful number, since it uses less digits than its factorization.

129995000356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813 (or 6811 counting only the distinct ones).

The product of its (nonzero) digits is 656100, while the sum is 49.

The spelling of 129995000356 in words is "one hundred twenty-nine billion, nine hundred ninety-five million, three hundred fifty-six", and thus it is an aban number.