137117715 has 32 divisors (see below), whose sum is σ = 251328000. Its totient is φ = 62532864.

The previous prime is 137117707. The next prime is 137117779. The reversal of 137117715 is 517711731.

It is not a de Polignac number, because 137117715 - 2³ = 137117707 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51087 + ... + 53703.

It is an arithmetic number, because the mean of its divisors is an integer number (7854000).

Almost surely, 2^137117715 is an apocalyptic number.

137117715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

137117715 is a deficient number, since it is larger than the sum of its proper divisors (114210285).

137117715 is a wasteful number, since it uses less digits than its factorization.

137117715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131.

The product of its digits is 5145, while the sum is 33.

The square root of 137117715 is about 11709.7273665957. The cubic root of 137117715 is about 515.6612801653.

The spelling of 137117715 in words is "one hundred thirty-seven million, one hundred seventeen thousand, seven hundred fifteen".