136772164 has 12 divisors (see below), whose sum is σ = 244917904. Its totient is φ = 66795624.

The previous prime is 136772161. The next prime is 136772173. The reversal of 136772164 is 461277631.

It is not an unprimeable number, because it can be changed into a prime (136772161) 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, 397422 + ... + 397765.

Almost surely, 2^136772164 is an apocalyptic number.

It is an amenable number.

136772164 is a deficient number, since it is larger than the sum of its proper divisors (108145740).

136772164 is a wasteful number, since it uses less digits than its factorization.

136772164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795234 (or 795232 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 136772164 is about 11694.9631893392. The cubic root of 136772164 is about 515.2277422998.

The spelling of 136772164 in words is "one hundred thirty-six million, seven hundred seventy-two thousand, one hundred sixty-four".