136583864 has 16 divisors (see below), whose sum is σ = 256218720. Its totient is φ = 68258880.

The previous prime is 136583851. The next prime is 136583869. The reversal of 136583864 is 468385631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136583869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30812 + ... + 34964.

It is an arithmetic number, because the mean of its divisors is an integer number (16013670).

Almost surely, 2^136583864 is an apocalyptic number.

It is an amenable number.

136583864 is a deficient number, since it is larger than the sum of its proper divisors (119634856).

136583864 is a wasteful number, since it uses less digits than its factorization.

136583864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8270 (or 8266 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 136583864 is about 11686.9099423244. The cubic root of 136583864 is about 514.9911884627.

The spelling of 136583864 in words is "one hundred thirty-six million, five hundred eighty-three thousand, eight hundred sixty-four".