131251129504 has 72 divisors (see below), whose sum is σ = 294681082752. Its totient is φ = 57065627520.

The previous prime is 131251129453. The next prime is 131251129511. The reversal of 131251129504 is 405921152131.

It is a self number, because there is not a number n which added to its sum of digits gives 131251129504.

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, 166224 + ... + 538639.

It is an arithmetic number, because the mean of its divisors is an integer number (4092792816).

Almost surely, 2^131251129504 is an apocalyptic number.

It is an amenable number.

131251129504 is an abundant number, since it is smaller than the sum of its proper divisors (163429953248).

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

131251129504 is a wasteful number, since it uses less digits than its factorization.

131251129504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704930 (or 704899 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 131251129504 in words is "one hundred thirty-one billion, two hundred fifty-one million, one hundred twenty-nine thousand, five hundred four".