136388264 has 16 divisors (see below), whose sum is σ = 256208820. Its totient is φ = 68065920.

The previous prime is 136388261. The next prime is 136388267. The reversal of 136388264 is 462883631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (136388261) and next prime (136388267).

It can be written as a sum of positive squares in 2 ways, for example, as 113252164 + 23136100 = 10642^2 + 4810^2 .

It is not an unprimeable number, because it can be changed into a prime (136388261) 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, 11429 + ... + 20084.

Almost surely, 2^136388264 is an apocalyptic number.

It is an amenable number.

136388264 is a deficient number, since it is larger than the sum of its proper divisors (119820556).

136388264 is a wasteful number, since it uses less digits than its factorization.

136388264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32060 (or 32056 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 136388264 is about 11678.5386072060. The cubic root of 136388264 is about 514.7452335902.

The spelling of 136388264 in words is "one hundred thirty-six million, three hundred eighty-eight thousand, two hundred sixty-four".