76139136 has 64 divisors (see below), whose sum is σ = 224726400. Its totient is φ = 25378560.

The previous prime is 76139101. The next prime is 76139159. The reversal of 76139136 is 63193167.

76139136 is a `hidden beast` number, since 7 + 613 + 9 + 1 + 36 = 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 self number, because there is not a number n which added to its sum of digits gives 76139136.

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, 7560 + ... + 14471.

It is an arithmetic number, because the mean of its divisors is an integer number (3511350).

Almost surely, 2^76139136 is an apocalyptic number.

It is an amenable number.

76139136 is an abundant number, since it is smaller than the sum of its proper divisors (148587264).

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

76139136 is a wasteful number, since it uses less digits than its factorization.

76139136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22054 (or 22036 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 76139136 is about 8725.7742349891. The cubic root of 76139136 is about 423.8406901202.

The spelling of 76139136 in words is "seventy-six million, one hundred thirty-nine thousand, one hundred thirty-six".