129925939132 has 18 divisors (see below), whose sum is σ = 249919524344. Its totient is φ = 59057244840.

The previous prime is 129925939043. The next prime is 129925939141. The reversal of 129925939132 is 231939529921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134220528 + ... + 134221495.

Almost surely, 2^129925939132 is an apocalyptic number.

It is an amenable number.

129925939132 is a deficient number, since it is larger than the sum of its proper divisors (119993585212).

129925939132 is a wasteful number, since it uses less digits than its factorization.

129925939132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268442049 (or 268442036 counting only the distinct ones).

The product of its digits is 2361960, while the sum is 55.

The spelling of 129925939132 in words is "one hundred twenty-nine billion, nine hundred twenty-five million, nine hundred thirty-nine thousand, one hundred thirty-two".