113605641 has 6 divisors (see below), whose sum is σ = 164097050. Its totient is φ = 75737088.

The previous prime is 113605633. The next prime is 113605727. The reversal of 113605641 is 146506311.

113605641 is a `hidden beast` number, since 1 + 13 + 6 + 0 + 5 + 641 = 666.

It can be written as a sum of positive squares in only one way, i.e., 107744400 + 5861241 = 10380^2 + 2421^2 .

It is not a de Polignac number, because 113605641 - 2³ = 113605633 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (113601641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6311416 + ... + 6311433.

Almost surely, 2^113605641 is an apocalyptic number.

It is an amenable number.

113605641 is a deficient number, since it is larger than the sum of its proper divisors (50491409).

113605641 is a wasteful number, since it uses less digits than its factorization.

113605641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12622855 (or 12622852 counting only the distinct ones).

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

The square root of 113605641 is about 10658.5947009913. The cubic root of 113605641 is about 484.3209983280.

The spelling of 113605641 in words is "one hundred thirteen million, six hundred five thousand, six hundred forty-one".