131507339625 has 96 divisors (see below), whose sum is σ = 239042793600. Its totient is φ = 69554140800.

The previous prime is 131507339543. The next prime is 131507339629. The reversal of 131507339625 is 526933705131.

131507339625 is a `hidden beast` number, since 1 + 3 + 1 + 507 + 33 + 96 + 25 = 666.

It is not a de Polignac number, because 131507339625 - 2¹² = 131507335529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (131507339629) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 102499234 + ... + 102500516.

It is an arithmetic number, because the mean of its divisors is an integer number (2490029100).

Almost surely, 2^131507339625 is an apocalyptic number.

131507339625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131507339625 is a deficient number, since it is larger than the sum of its proper divisors (107535453975).

131507339625 is a wasteful number, since it uses less digits than its factorization.

131507339625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The spelling of 131507339625 in words is "one hundred thirty-one billion, five hundred seven million, three hundred thirty-nine thousand, six hundred twenty-five".