113105399 has 8 divisors (see below), whose sum is σ = 123636240. Its totient is φ = 102616000.

The previous prime is 113105387. The next prime is 113105401. The reversal of 113105399 is 993501311.

It is a happy number.

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 113105399 - 2¹⁶ = 113039863 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 (113105299) 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, 4502 + ... + 15699.

It is an arithmetic number, because the mean of its divisors is an integer number (15454530).

Almost surely, 2^113105399 is an apocalyptic number.

113105399 is a deficient number, since it is larger than the sum of its proper divisors (10530841).

113105399 is a wasteful number, since it uses less digits than its factorization.

113105399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20721.

The product of its (nonzero) digits is 3645, while the sum is 32.

The square root of 113105399 is about 10635.1022091939. The cubic root of 113105399 is about 483.6090789081.

The spelling of 113105399 in words is "one hundred thirteen million, one hundred five thousand, three hundred ninety-nine".