131512513748 has 36 divisors (see below), whose sum is σ = 292060262592. Its totient is φ = 51238640880.

The previous prime is 131512513729. The next prime is 131512513751. The reversal of 131512513748 is 847315215131.

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, 30497036 + ... + 30501347.

It is an arithmetic number, because the mean of its divisors is an integer number (8112785072).

Almost surely, 2^131512513748 is an apocalyptic number.

It is an amenable number.

131512513748 is an abundant number, since it is smaller than the sum of its proper divisors (160547748844).

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

131512513748 is a wasteful number, since it uses less digits than its factorization.

131512513748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60998412 (or 60998403 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

Adding to 131512513748 its reverse (847315215131), we get a palindrome (978827728879).

The spelling of 131512513748 in words is "one hundred thirty-one billion, five hundred twelve million, five hundred thirteen thousand, seven hundred forty-eight".