113701109 has 4 divisors (see below), whose sum is σ = 113772204. Its totient is φ = 113630016.

The previous prime is 113701099. The next prime is 113701157. The reversal of 113701109 is 901107311.

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 7672900 + 106028209 = 2770^2 + 10297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113701109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113701009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33092 + ... + 36365.

It is an arithmetic number, because the mean of its divisors is an integer number (28443051).

Almost surely, 2^113701109 is an apocalyptic number.

It is an amenable number.

113701109 is a deficient number, since it is larger than the sum of its proper divisors (71095).

113701109 is an equidigital number, since it uses as much as digits as its factorization.

113701109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71094.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 113701109 is about 10663.0722120785. The cubic root of 113701109 is about 484.4566260162.

The spelling of 113701109 in words is "one hundred thirteen million, seven hundred one thousand, one hundred nine".