137958992 has 30 divisors (see below), whose sum is σ = 272012538. Its totient is φ = 67782976.

The previous prime is 137958983. The next prime is 137959001. The reversal of 137958992 is 299859731.

It is an interprime number because it is at equal distance from previous prime (137958983) and next prime (137959001).

It can be written as a sum of positive squares in only one way, i.e., 117852736 + 20106256 = 10856^2 + 4484^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54458 + ... + 56934.

Almost surely, 2^137958992 is an apocalyptic number.

It is an amenable number.

137958992 is a deficient number, since it is larger than the sum of its proper divisors (134053546).

137958992 is an equidigital number, since it uses as much as digits as its factorization.

137958992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603 (or 2538 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 53.

The square root of 137958992 is about 11745.5945783941. The cubic root of 137958992 is about 516.7137329767.

The spelling of 137958992 in words is "one hundred thirty-seven million, nine hundred fifty-eight thousand, nine hundred ninety-two".