137031993172 has 12 divisors (see below), whose sum is σ = 239809755136. Its totient is φ = 68514920280.

The previous prime is 137031993167. The next prime is 137031993179. The reversal of 137031993172 is 271399130731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137031993179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62893 + ... + 527275.

Almost surely, 2^137031993172 is an apocalyptic number.

It is an amenable number.

137031993172 is a deficient number, since it is larger than the sum of its proper divisors (102777761964).

137031993172 is a wasteful number, since it uses less digits than its factorization.

137031993172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538158 (or 538156 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 46.

The spelling of 137031993172 in words is "one hundred thirty-seven billion, thirty-one million, nine hundred ninety-three thousand, one hundred seventy-two".