136771564 has 12 divisors (see below), whose sum is σ = 240673888. Its totient is φ = 68007600.

The previous prime is 136771553. The next prime is 136771567. The reversal of 136771564 is 465177631.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (136771567) 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, 93732 + ... + 95179.

Almost surely, 2^136771564 is an apocalyptic number.

It is an amenable number.

136771564 is a deficient number, since it is larger than the sum of its proper divisors (103902324).

136771564 is a wasteful number, since it uses less digits than its factorization.

136771564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189096 (or 189094 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 136771564 is about 11694.9375372423. The cubic root of 136771564 is about 515.2269888884.

The spelling of 136771564 in words is "one hundred thirty-six million, seven hundred seventy-one thousand, five hundred sixty-four".