136238472 has 48 divisors (see below), whose sum is σ = 369523440. Its totient is φ = 45345888.

The previous prime is 136238447. The next prime is 136238489. The reversal of 136238472 is 274832631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82923 + ... + 84549.

It is an arithmetic number, because the mean of its divisors is an integer number (7698405).

Almost surely, 2^136238472 is an apocalyptic number.

136238472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136238472 is an abundant number, since it is smaller than the sum of its proper divisors (233284968).

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

136238472 is a wasteful number, since it uses less digits than its factorization.

136238472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802 (or 2795 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 136238472 is about 11672.1237142176. The cubic root of 136238472 is about 514.5567203940.

The spelling of 136238472 in words is "one hundred thirty-six million, two hundred thirty-eight thousand, four hundred seventy-two".