137814665 has 8 divisors (see below), whose sum is σ = 175105800. Its totient is φ = 103766272.

The previous prime is 137814659. The next prime is 137814671. The reversal of 137814665 is 566418731.

It is an interprime number because it is at equal distance from previous prime (137814659) and next prime (137814671).

It can be written as a sum of positive squares in 4 ways, for example, as 9853321 + 127961344 = 3139^2 + 11312^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137814665 - 2²⁰ = 136766089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810590 + ... + 810759.

It is an arithmetic number, because the mean of its divisors is an integer number (21888225).

Almost surely, 2^137814665 is an apocalyptic number.

It is an amenable number.

137814665 is a deficient number, since it is larger than the sum of its proper divisors (37291135).

137814665 is a wasteful number, since it uses less digits than its factorization.

137814665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621371.

The product of its digits is 120960, while the sum is 41.

The square root of 137814665 is about 11739.4490926960. The cubic root of 137814665 is about 516.5334819156.

The spelling of 137814665 in words is "one hundred thirty-seven million, eight hundred fourteen thousand, six hundred sixty-five".