113906105 has 4 divisors (see below), whose sum is σ = 136687332. Its totient is φ = 91124880.

The previous prime is 113906099. The next prime is 113906119. The reversal of 113906105 is 501609311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77810041 + 36096064 = 8821^2 + 6008^2 .

It is not a de Polignac number, because 113906105 - 2¹⁰ = 113905081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11390606 + ... + 11390615.

It is an arithmetic number, because the mean of its divisors is an integer number (34171833).

Almost surely, 2^113906105 is an apocalyptic number.

It is an amenable number.

113906105 is a deficient number, since it is larger than the sum of its proper divisors (22781227).

113906105 is an equidigital number, since it uses as much as digits as its factorization.

113906105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22781226.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 113906105 is about 10672.6803100252. The cubic root of 113906105 is about 484.7475995662.

The spelling of 113906105 in words is "one hundred thirteen million, nine hundred six thousand, one hundred five".