137512937 has 4 divisors (see below), whose sum is σ = 144750480. Its totient is φ = 130275396.

The previous prime is 137512873. The next prime is 137512951. The reversal of 137512937 is 739215731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 739215731 = 3803 ⋅194377.

It is a cyclic number.

It is not a de Polignac number, because 137512937 - 2⁶ = 137512873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137512937.

It is not an unprimeable number, because it can be changed into a prime (137512997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3618743 + ... + 3618780.

It is an arithmetic number, because the mean of its divisors is an integer number (36187620).

Almost surely, 2^137512937 is an apocalyptic number.

It is an amenable number.

137512937 is a deficient number, since it is larger than the sum of its proper divisors (7237543).

137512937 is an equidigital number, since it uses as much as digits as its factorization.

137512937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7237542.

The product of its digits is 39690, while the sum is 38.

The square root of 137512937 is about 11726.5910221172. The cubic root of 137512937 is about 516.1562446240.

The spelling of 137512937 in words is "one hundred thirty-seven million, five hundred twelve thousand, nine hundred thirty-seven".