76086139 has 4 divisors (see below), whose sum is σ = 79394256. Its totient is φ = 72778024.

The previous prime is 76086137. The next prime is 76086149. The reversal of 76086139 is 93168067.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76086139 - 2¹ = 76086137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76086137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654024 + ... + 1654069.

It is an arithmetic number, because the mean of its divisors is an integer number (19848564).

Almost surely, 2^76086139 is an apocalyptic number.

76086139 is a deficient number, since it is larger than the sum of its proper divisors (3308117).

76086139 is a wasteful number, since it uses less digits than its factorization.

76086139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308116.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 76086139 is about 8722.7368984740. The cubic root of 76086139 is about 423.7423285333.

The spelling of 76086139 in words is "seventy-six million, eighty-six thousand, one hundred thirty-nine".