136265665 has 16 divisors (see below), whose sum is σ = 167178816. Its totient is φ = 106600000.

The previous prime is 136265651. The next prime is 136265671. The reversal of 136265665 is 566562631.

It is a happy number.

It is not a de Polignac number, because 136265665 - 2⁷ = 136265537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40290 + ... + 43540.

It is an arithmetic number, because the mean of its divisors is an integer number (10448676).

Almost surely, 2^136265665 is an apocalyptic number.

It is an amenable number.

136265665 is a deficient number, since it is larger than the sum of its proper divisors (30913151).

136265665 is a wasteful number, since it uses less digits than its factorization.

136265665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440.

The product of its digits is 194400, while the sum is 40.

The square root of 136265665 is about 11673.2885255184. The cubic root of 136265665 is about 514.5909530398.

It can be divided in two parts, 13626 and 5665, that added together give a palindrome (19291).

The spelling of 136265665 in words is "one hundred thirty-six million, two hundred sixty-five thousand, six hundred sixty-five".