113403997 has 8 divisors (see below), whose sum is σ = 132362496. Its totient is φ = 95134992.

The previous prime is 113403977. The next prime is 113404009. The reversal of 113403997 is 799304311.

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 113403997 - 2¹⁹ = 112879709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113403937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172018 + ... + 172675.

It is an arithmetic number, because the mean of its divisors is an integer number (16545312).

Almost surely, 2^113403997 is an apocalyptic number.

It is an amenable number.

113403997 is a deficient number, since it is larger than the sum of its proper divisors (18958499).

113403997 is an equidigital number, since it uses as much as digits as its factorization.

113403997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344747.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 113403997 is about 10649.1312791232. The cubic root of 113403997 is about 484.0342805786.

The spelling of 113403997 in words is "one hundred thirteen million, four hundred three thousand, nine hundred ninety-seven".