137715937 has 4 divisors (see below), whose sum is σ = 137824560. Its totient is φ = 137607316.

The previous prime is 137715923. The next prime is 137715943. The reversal of 137715937 is 739517731.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137715937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137715893 and 137715902.

It is not an unprimeable number, because it can be changed into a prime (137715947) 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, 52387 + ... + 54952.

It is an arithmetic number, because the mean of its divisors is an integer number (34456140).

Almost surely, 2^137715937 is an apocalyptic number.

It is an amenable number.

137715937 is a deficient number, since it is larger than the sum of its proper divisors (108623).

137715937 is a wasteful number, since it uses less digits than its factorization.

137715937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108622.

The product of its digits is 138915, while the sum is 43.

The square root of 137715937 is about 11735.2433719970. The cubic root of 137715937 is about 516.4101072852.

The spelling of 137715937 in words is "one hundred thirty-seven million, seven hundred fifteen thousand, nine hundred thirty-seven".