136268665 has 16 divisors (see below), whose sum is σ = 185371200. Its totient is φ = 95332032.

The previous prime is 136268663. The next prime is 136268681. The reversal of 136268665 is 566862631.

It is a cyclic number.

It is not a de Polignac number, because 136268665 - 2¹ = 136268663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136268663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53935 + ... + 56404.

It is an arithmetic number, because the mean of its divisors is an integer number (11585700).

Almost surely, 2^136268665 is an apocalyptic number.

It is an amenable number.

136268665 is a deficient number, since it is larger than the sum of its proper divisors (49102535).

136268665 is a wasteful number, since it uses less digits than its factorization.

136268665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110376.

The product of its digits is 311040, while the sum is 43.

The square root of 136268665 is about 11673.4170233056. The cubic root of 136268665 is about 514.5947293922.

The spelling of 136268665 in words is "one hundred thirty-six million, two hundred sixty-eight thousand, six hundred sixty-five".