129514652532 has 36 divisors (see below), whose sum is σ = 327830963460. Its totient is φ = 43112644992.

The previous prime is 129514652513. The next prime is 129514652549. The reversal of 129514652532 is 235256415921.

129514652532 is a `hidden beast` number, since 1 + 2 + 9 + 51 + 4 + 65 + 2 + 532 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 68305913316 + 61208739216 = 261354^2 + 247404^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×129514652532² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2427657 + ... + 2480432.

Almost surely, 2^129514652532 is an apocalyptic number.

129514652532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129514652532 is an abundant number, since it is smaller than the sum of its proper divisors (198316310928).

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

129514652532 is a wasteful number, since it uses less digits than its factorization.

129514652532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908832 (or 4908827 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The spelling of 129514652532 in words is "one hundred twenty-nine billion, five hundred fourteen million, six hundred fifty-two thousand, five hundred thirty-two".