137315974 has 4 divisors (see below), whose sum is σ = 205973964. Its totient is φ = 68657986.

The previous prime is 137315963. The next prime is 137316001. The reversal of 137315974 is 479513731.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34328992 + ... + 34328995.

It is an arithmetic number, because the mean of its divisors is an integer number (51493491).

Almost surely, 2^137315974 is an apocalyptic number.

137315974 is a deficient number, since it is larger than the sum of its proper divisors (68657990).

137315974 is an equidigital number, since it uses as much as digits as its factorization.

137315974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68657989.

The product of its digits is 79380, while the sum is 40.

The square root of 137315974 is about 11718.1898772805. The cubic root of 137315974 is about 515.9096926469.

The spelling of 137315974 in words is "one hundred thirty-seven million, three hundred fifteen thousand, nine hundred seventy-four".