136664595 has 24 divisors (see below), whose sum is σ = 237191136. Its totient is φ = 72793728.

The previous prime is 136664543. The next prime is 136664629. The reversal of 136664595 is 595466631.

It is not a de Polignac number, because 136664595 - 2⁹ = 136664083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 136664595.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46407 + ... + 49263.

It is an arithmetic number, because the mean of its divisors is an integer number (9882964).

Almost surely, 2^136664595 is an apocalyptic number.

136664595 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136664595 is a deficient number, since it is larger than the sum of its proper divisors (100526541).

136664595 is a wasteful number, since it uses less digits than its factorization.

136664595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931 (or 3928 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 136664595 is about 11690.3633390926. The cubic root of 136664595 is about 515.0926342306.

The spelling of 136664595 in words is "one hundred thirty-six million, six hundred sixty-four thousand, five hundred ninety-five".