113428185 has 16 divisors (see below), whose sum is σ = 195445824. Its totient is φ = 55841472.

The previous prime is 113428177. The next prime is 113428207. The reversal of 113428185 is 581824311.

It is not a de Polignac number, because 113428185 - 2³ = 113428177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290647 + ... + 291036.

It is an arithmetic number, because the mean of its divisors is an integer number (12215364).

Almost surely, 2^113428185 is an apocalyptic number.

113428185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113428185 is a deficient number, since it is larger than the sum of its proper divisors (82017639).

113428185 is a wasteful number, since it uses less digits than its factorization.

113428185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581704.

The product of its digits is 7680, while the sum is 33.

The square root of 113428185 is about 10650.2668980641. The cubic root of 113428185 is about 484.0686914435.

The spelling of 113428185 in words is "one hundred thirteen million, four hundred twenty-eight thousand, one hundred eighty-five".