136188432 has 40 divisors (see below), whose sum is σ = 390912480. Its totient is φ = 45396000.

The previous prime is 136188431. The next prime is 136188433. The reversal of 136188432 is 234881631.

136188432 is a `hidden beast` number, since 1 + 3 + 618 + 8 + 4 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (136188431) and next prime (136188433).

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (136188431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157194 + ... + 158057.

It is an arithmetic number, because the mean of its divisors is an integer number (9772812).

Almost surely, 2^136188432 is an apocalyptic number.

136188432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136188432 is an abundant number, since it is smaller than the sum of its proper divisors (254724048).

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

136188432 is a wasteful number, since it uses less digits than its factorization.

136188432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315268 (or 315256 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 136188432 is about 11669.9799485689. The cubic root of 136188432 is about 514.4937142769.

The spelling of 136188432 in words is "one hundred thirty-six million, one hundred eighty-eight thousand, four hundred thirty-two".