113428866 has 16 divisors (see below), whose sum is σ = 226962144. Its totient is φ = 37792224.

The previous prime is 113428859. The next prime is 113428867. The reversal of 113428866 is 668824311.

It is a super-2 number, since 2×113428866² = 25732215284091912, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113428867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23061 + ... + 27543.

It is an arithmetic number, because the mean of its divisors is an integer number (14185134).

Almost surely, 2^113428866 is an apocalyptic number.

113428866 is an abundant number, since it is smaller than the sum of its proper divisors (113533278).

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

113428866 is a wasteful number, since it uses less digits than its factorization.

113428866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8705.

The product of its digits is 55296, while the sum is 39.

The square root of 113428866 is about 10650.2988690459. The cubic root of 113428866 is about 484.0696601919.

The spelling of 113428866 in words is "one hundred thirteen million, four hundred twenty-eight thousand, eight hundred sixty-six".