136264872 has 16 divisors (see below), whose sum is σ = 340662240. Its totient is φ = 45421616.

The previous prime is 136264867. The next prime is 136264873. The reversal of 136264872 is 278462631.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 136264872.

It is not an unprimeable number, because it can be changed into a prime (136264873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2838828 + ... + 2838875.

It is an arithmetic number, because the mean of its divisors is an integer number (21291390).

Almost surely, 2^136264872 is an apocalyptic number.

136264872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136264872 is an abundant number, since it is smaller than the sum of its proper divisors (204397368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136264872 is a wasteful number, since it uses less digits than its factorization.

136264872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677712 (or 5677708 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 136264872 is about 11673.2545590337. The cubic root of 136264872 is about 514.5899548147.

The spelling of 136264872 in words is "one hundred thirty-six million, two hundred sixty-four thousand, eight hundred seventy-two".