137162665 has 4 divisors (see below), whose sum is σ = 164595204. Its totient is φ = 109730128.

The previous prime is 137162603. The next prime is 137162687. The reversal of 137162665 is 566261731.

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

It can be written as a sum of positive squares in 2 ways, for example, as 61889689 + 75272976 = 7867^2 + 8676^2 .

It is a cyclic number.

It is not a de Polignac number, because 137162665 - 2⁹ = 137162153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13716262 + ... + 13716271.

It is an arithmetic number, because the mean of its divisors is an integer number (41148801).

Almost surely, 2^137162665 is an apocalyptic number.

It is an amenable number.

137162665 is a deficient number, since it is larger than the sum of its proper divisors (27432539).

137162665 is an equidigital number, since it uses as much as digits as its factorization.

137162665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27432538.

The product of its digits is 45360, while the sum is 37.

The square root of 137162665 is about 11711.6465537515. The cubic root of 137162665 is about 515.7176221246.

The spelling of 137162665 in words is "one hundred thirty-seven million, one hundred sixty-two thousand, six hundred sixty-five".