131507339626 has 24 divisors (see below), whose sum is σ = 219508770852. Its totient is φ = 58737758400.

The previous prime is 131507339543. The next prime is 131507339629. The reversal of 131507339626 is 626933705131.

131507339626 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 130899963601 + 607376025 = 361801^2 + 24645^2 .

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 11 ways as a sum of consecutive naturals, for example, 2606635 + ... + 2656606.

Almost surely, 2^131507339626 is an apocalyptic number.

131507339626 is a deficient number, since it is larger than the sum of its proper divisors (88001431226).

131507339626 is a wasteful number, since it uses less digits than its factorization.

131507339626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263318 (or 5263287 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 46.

The spelling of 131507339626 in words is "one hundred thirty-one billion, five hundred seven million, three hundred thirty-nine thousand, six hundred twenty-six".