113190728 has 32 divisors (see below), whose sum is σ = 253100160. Its totient is φ = 46400640.

The previous prime is 113190697. The next prime is 113190731. The reversal of 113190728 is 827091311.

It is a junction number, because it is equal to n+sod(n) for n = 113190694 and 113190703.

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, 42653 + ... + 45228.

It is an arithmetic number, because the mean of its divisors is an integer number (7909380).

Almost surely, 2^113190728 is an apocalyptic number.

It is an amenable number.

113190728 is an abundant number, since it is smaller than the sum of its proper divisors (139909432).

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

113190728 is a wasteful number, since it uses less digits than its factorization.

113190728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87917 (or 87913 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 113190728 is about 10639.1131209326. The cubic root of 113190728 is about 483.7306631606.

The spelling of 113190728 in words is "one hundred thirteen million, one hundred ninety thousand, seven hundred twenty-eight".