80034139 has 4 divisors (see below), whose sum is σ = 80319240. Its totient is φ = 79749040.

The previous prime is 80034133. The next prime is 80034197. The reversal of 80034139 is 93143008.

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 80034139 - 2³ = 80034131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80034131) 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, 142129 + ... + 142690.

It is an arithmetic number, because the mean of its divisors is an integer number (20079810).

Almost surely, 2^80034139 is an apocalyptic number.

80034139 is a deficient number, since it is larger than the sum of its proper divisors (285101).

80034139 is a wasteful number, since it uses less digits than its factorization.

80034139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285100.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 80034139 is about 8946.1801345602. The cubic root of 80034139 is about 430.9482211615.

The spelling of 80034139 in words is "eighty million, thirty-four thousand, one hundred thirty-nine".