113805785 has 16 divisors (see below), whose sum is σ = 138153600. Its totient is φ = 89994240.

The previous prime is 113805781. The next prime is 113805827. The reversal of 113805785 is 587508311.

It is not a de Polignac number, because 113805785 - 2² = 113805781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113805781) 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 15 ways as a sum of consecutive naturals, for example, 253241 + ... + 253689.

It is an arithmetic number, because the mean of its divisors is an integer number (8634600).

Almost surely, 2^113805785 is an apocalyptic number.

It is an amenable number.

113805785 is a deficient number, since it is larger than the sum of its proper divisors (24347815).

113805785 is a wasteful number, since it uses less digits than its factorization.

113805785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 33600, while the sum is 38.

The square root of 113805785 is about 10667.9794244271. The cubic root of 113805785 is about 484.6052479258.

The spelling of 113805785 in words is "one hundred thirteen million, eight hundred five thousand, seven hundred eighty-five".