80315136 has 108 divisors (see below), whose sum is σ = 252699720. Its totient is φ = 24330240.

The previous prime is 80315083. The next prime is 80315159. The reversal of 80315136 is 63151308.

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, 23760 + ... + 26928.

Almost surely, 2^80315136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80315136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126349860).

80315136 is an abundant number, since it is smaller than the sum of its proper divisors (172384584).

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

80315136 is a wasteful number, since it uses less digits than its factorization.

80315136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202 (or 3185 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 80315136 is about 8961.8712331745. The cubic root of 80315136 is about 431.4519799922.

The spelling of 80315136 in words is "eighty million, three hundred fifteen thousand, one hundred thirty-six".