131512742372 has 24 divisors (see below), whose sum is σ = 251084269632. Its totient is φ = 59775069600.

The previous prime is 131512742369. The next prime is 131512742393. The reversal of 131512742372 is 273247215131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783422 + ... + 936362.

It is an arithmetic number, because the mean of its divisors is an integer number (10461844568).

Almost surely, 2^131512742372 is an apocalyptic number.

It is an amenable number.

131512742372 is a deficient number, since it is larger than the sum of its proper divisors (119571527260).

131512742372 is a wasteful number, since it uses less digits than its factorization.

131512742372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172499 (or 172497 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The spelling of 131512742372 in words is "one hundred thirty-one billion, five hundred twelve million, seven hundred forty-two thousand, three hundred seventy-two".