113938005309 has 8 divisors (see below), whose sum is σ = 153311077920. Its totient is φ = 75261801456.

The previous prime is 113938005301. The next prime is 113938005317. The reversal of 113938005309 is 903500839311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113938005301) and next prime (113938005317).

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

It is not a de Polignac number, because 113938005309 - 2³ = 113938005301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113938005301) 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, 174216807 + ... + 174217460.

It is an arithmetic number, because the mean of its divisors is an integer number (19163884740).

Almost surely, 2^113938005309 is an apocalyptic number.

It is an amenable number.

113938005309 is a deficient number, since it is larger than the sum of its proper divisors (39373072611).

113938005309 is a wasteful number, since it uses less digits than its factorization.

113938005309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348434379.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 113938005309 in words is "one hundred thirteen billion, nine hundred thirty-eight million, five thousand, three hundred nine".