137974312 has 32 divisors (see below), whose sum is σ = 313053120. Its totient is φ = 55653120.

The previous prime is 137974289. The next prime is 137974313. The reversal of 137974312 is 213479731.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (137974313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71514 + ... + 73417.

It is an arithmetic number, because the mean of its divisors is an integer number (9782910).

Almost surely, 2^137974312 is an apocalyptic number.

It is an amenable number.

137974312 is an abundant number, since it is smaller than the sum of its proper divisors (175078808).

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

137974312 is a wasteful number, since it uses less digits than its factorization.

137974312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144961 (or 144957 counting only the distinct ones).

The product of its digits is 31752, while the sum is 37.

The square root of 137974312 is about 11746.2467196973. The cubic root of 137974312 is about 516.7328588568.

The spelling of 137974312 in words is "one hundred thirty-seven million, nine hundred seventy-four thousand, three hundred twelve".