113668105 has 4 divisors (see below), whose sum is σ = 136401732. Its totient is φ = 90934480.

The previous prime is 113668099. The next prime is 113668117. The reversal of 113668105 is 501866311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501866311 = 139 ⋅3610549.

It can be written as a sum of positive squares in 2 ways, for example, as 43309561 + 70358544 = 6581^2 + 8388^2 .

It is not a de Polignac number, because 113668105 - 2²³ = 105279497 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11366806 + ... + 11366815.

It is an arithmetic number, because the mean of its divisors is an integer number (34100433).

Almost surely, 2^113668105 is an apocalyptic number.

It is an amenable number.

113668105 is a deficient number, since it is larger than the sum of its proper divisors (22733627).

113668105 is an equidigital number, since it uses as much as digits as its factorization.

113668105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22733626.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 113668105 is about 10661.5245157529. The cubic root of 113668105 is about 484.4097471015.

The spelling of 113668105 in words is "one hundred thirteen million, six hundred sixty-eight thousand, one hundred five".