80138015 has 8 divisors (see below), whose sum is σ = 96230160. Its totient is φ = 64067392.

The previous prime is 80137973. The next prime is 80138021. The reversal of 80138015 is 51083108.

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

It is a cyclic number.

It is not a de Polignac number, because 80138015 - 2⁶ = 80137951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4451 + ... + 13419.

It is an arithmetic number, because the mean of its divisors is an integer number (12028770).

Almost surely, 2^80138015 is an apocalyptic number.

80138015 is a deficient number, since it is larger than the sum of its proper divisors (16092145).

80138015 is a wasteful number, since it uses less digits than its factorization.

80138015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10761.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 80138015 is about 8951.9838583411. The cubic root of 80138015 is about 431.1345825696.

The spelling of 80138015 in words is "eighty million, one hundred thirty-eight thousand, fifteen".