129930536 has 16 divisors (see below), whose sum is σ = 243863700. Its totient is φ = 64900224.

The previous prime is 129930523. The next prime is 129930539. The reversal of 129930536 is 635039921.

It can be written as a sum of positive squares in 2 ways, for example, as 117722500 + 12208036 = 10850^2 + 3494^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 129930536.

It is not an unprimeable number, because it can be changed into a prime (129930539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956 + ... + 16148.

Almost surely, 2^129930536 is an apocalyptic number.

It is an amenable number.

129930536 is a deficient number, since it is larger than the sum of its proper divisors (113933164).

129930536 is a wasteful number, since it uses less digits than its factorization.

129930536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16268 (or 16264 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 129930536 is about 11398.7076460448. The cubic root of 129930536 is about 506.4894574950.

The spelling of 129930536 in words is "one hundred twenty-nine million, nine hundred thirty thousand, five hundred thirty-six".