113636109 has 8 divisors (see below), whose sum is σ = 160427520. Its totient is φ = 71301056.

The previous prime is 113636069. The next prime is 113636113. The reversal of 113636109 is 901636311.

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

It is a cyclic number.

It is not a de Polignac number, because 113636109 - 2⁷ = 113635981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113636309) 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, 1114029 + ... + 1114130.

It is an arithmetic number, because the mean of its divisors is an integer number (20053440).

Almost surely, 2^113636109 is an apocalyptic number.

It is an amenable number.

113636109 is a deficient number, since it is larger than the sum of its proper divisors (46791411).

113636109 is a wasteful number, since it uses less digits than its factorization.

113636109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228179.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 113636109 is about 10660.0238742697. The cubic root of 113636109 is about 484.3642912874.

The spelling of 113636109 in words is "one hundred thirteen million, six hundred thirty-six thousand, one hundred nine".