136377216 has 64 divisors (see below), whose sum is σ = 402512400. Its totient is φ = 45457920.

The previous prime is 136377191. The next prime is 136377229. The reversal of 136377216 is 612773631.

136377216 is a `hidden beast` number, since 1 + 3 + 637 + 7 + 2 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16275 + ... + 23186.

Almost surely, 2^136377216 is an apocalyptic number.

136377216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136377216 is an abundant number, since it is smaller than the sum of its proper divisors (266135184).

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

136377216 is an equidigital number, since it uses as much as digits as its factorization.

136377216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39484 (or 39466 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 136377216 is about 11678.0655932393. The cubic root of 136377216 is about 514.7313344009.

The spelling of 136377216 in words is "one hundred thirty-six million, three hundred seventy-seven thousand, two hundred sixteen".