82946139 has 8 divisors (see below), whose sum is σ = 110640912. Its totient is φ = 55274400.

The previous prime is 82946107. The next prime is 82946159. The reversal of 82946139 is 93164928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82946139 - 2⁵ = 82946107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82946139.

It is not an unprimeable number, because it can be changed into a prime (82946159) 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, 6189 + ... + 14289.

It is an arithmetic number, because the mean of its divisors is an integer number (13830114).

Almost surely, 2^82946139 is an apocalyptic number.

82946139 is a deficient number, since it is larger than the sum of its proper divisors (27694773).

82946139 is a wasteful number, since it uses less digits than its factorization.

82946139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11517.

The product of its digits is 93312, while the sum is 42.

The square root of 82946139 is about 9107.4770930264. The cubic root of 82946139 is about 436.1126911103.

The spelling of 82946139 in words is "eighty-two million, nine hundred forty-six thousand, one hundred thirty-nine".