80139006 has 24 divisors (see below), whose sum is σ = 179623080. Its totient is φ = 25791696.

The previous prime is 80138983. The next prime is 80139067. The reversal of 80139006 is 60093108.

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, 76240 + ... + 77283.

It is an arithmetic number, because the mean of its divisors is an integer number (7484295).

Almost surely, 2^80139006 is an apocalyptic number.

80139006 is an abundant number, since it is smaller than the sum of its proper divisors (99484074).

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

80139006 is a wasteful number, since it uses less digits than its factorization.

80139006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153560 (or 153557 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 80139006 is about 8952.0392090294. The cubic root of 80139006 is about 431.1363597229.

The spelling of 80139006 in words is "eighty million, one hundred thirty-nine thousand, six".