80267139 has 16 divisors (see below), whose sum is σ = 120691840. Its totient is φ = 52711560.

The previous prime is 80267137. The next prime is 80267141. The reversal of 80267139 is 93176208.

It is an interprime number because it is at equal distance from previous prime (80267137) and next prime (80267141).

It is not a de Polignac number, because 80267139 - 2¹ = 80267137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80267137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20377 + ... + 23994.

It is an arithmetic number, because the mean of its divisors is an integer number (7543240).

Almost surely, 2^80267139 is an apocalyptic number.

80267139 is a deficient number, since it is larger than the sum of its proper divisors (40424701).

80267139 is a wasteful number, since it uses less digits than its factorization.

80267139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44447 (or 44441 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 80267139 is about 8959.1929882105. The cubic root of 80267139 is about 431.3660164231.

The spelling of 80267139 in words is "eighty million, two hundred sixty-seven thousand, one hundred thirty-nine".