137331992 has 16 divisors (see below), whose sum is σ = 294282960. Its totient is φ = 58856544.

The previous prime is 137331991. The next prime is 137332003. The reversal of 137331992 is 299133731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137331991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1226123 + ... + 1226234.

It is an arithmetic number, because the mean of its divisors is an integer number (18392685).

Almost surely, 2^137331992 is an apocalyptic number.

It is an amenable number.

137331992 is an abundant number, since it is smaller than the sum of its proper divisors (156950968).

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

137331992 is a wasteful number, since it uses less digits than its factorization.

137331992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452370 (or 2452366 counting only the distinct ones).

The product of its digits is 30618, while the sum is 38.

The square root of 137331992 is about 11718.8733246844. The cubic root of 137331992 is about 515.9297522702.

The spelling of 137331992 in words is "one hundred thirty-seven million, three hundred thirty-one thousand, nine hundred ninety-two".