136272438 has 24 divisors (see below), whose sum is σ = 302459976. Its totient is φ = 44316000.

The previous prime is 136272419. The next prime is 136272449. The reversal of 136272438 is 834272631.

It is a happy number.

136272438 is a `hidden beast` number, since 1 + 3 + 627 + 24 + 3 + 8 = 666.

136272438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 91588 + ... + 93063.

It is an arithmetic number, because the mean of its divisors is an integer number (12602499).

Almost surely, 2^136272438 is an apocalyptic number.

136272438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

136272438 is an abundant number, since it is smaller than the sum of its proper divisors (166187538).

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

136272438 is a wasteful number, since it uses less digits than its factorization.

136272438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184700 (or 184697 counting only the distinct ones).

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

The square root of 136272438 is about 11673.5786286811. The cubic root of 136272438 is about 514.5994787061.

The spelling of 136272438 in words is "one hundred thirty-six million, two hundred seventy-two thousand, four hundred thirty-eight".