113909603 has 6 divisors (see below), whose sum is σ = 116757372. Its totient is φ = 111129680.

The previous prime is 113909599. The next prime is 113909611. The reversal of 113909603 is 306909311.

It is not a de Polignac number, because 113909603 - 2² = 113909599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113909603.

It is not an unprimeable number, because it can be changed into a prime (113909633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32201 + ... + 35562.

It is an arithmetic number, because the mean of its divisors is an integer number (19459562).

Almost surely, 2^113909603 is an apocalyptic number.

113909603 is a deficient number, since it is larger than the sum of its proper divisors (2847769).

113909603 is an frugal number, since it uses more digits than its factorization.

113909603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67845 (or 67804 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 113909603 is about 10672.8441851270. The cubic root of 113909603 is about 484.7525616349.

The spelling of 113909603 in words is "one hundred thirteen million, nine hundred nine thousand, six hundred three".