113651628 has 12 divisors (see below), whose sum is σ = 265187160. Its totient is φ = 37883872.

The previous prime is 113651627. The next prime is 113651633. The reversal of 113651628 is 826156311.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (113651621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4735473 + ... + 4735496.

It is an arithmetic number, because the mean of its divisors is an integer number (22098930).

Almost surely, 2^113651628 is an apocalyptic number.

It is an amenable number.

113651628 is an abundant number, since it is smaller than the sum of its proper divisors (151535532).

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

113651628 is a wasteful number, since it uses less digits than its factorization.

113651628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9470976 (or 9470974 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 113651628 is about 10660.7517558566. The cubic root of 113651628 is about 484.3863397581.

The spelling of 113651628 in words is "one hundred thirteen million, six hundred fifty-one thousand, six hundred twenty-eight".