113861805 has 8 divisors (see below), whose sum is σ = 182178912. Its totient is φ = 60726288.

The previous prime is 113861789. The next prime is 113861809. The reversal of 113861805 is 508168311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113861805 - 2⁴ = 113861789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113861809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3795379 + ... + 3795408.

It is an arithmetic number, because the mean of its divisors is an integer number (22772364).

Almost surely, 2^113861805 is an apocalyptic number.

113861805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113861805 is a deficient number, since it is larger than the sum of its proper divisors (68317107).

113861805 is an equidigital number, since it uses as much as digits as its factorization.

113861805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590795.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 113861805 is about 10670.6047157600. The cubic root of 113861805 is about 484.6847492529.

The spelling of 113861805 in words is "one hundred thirteen million, eight hundred sixty-one thousand, eight hundred five".