113818403 has 8 divisors (see below), whose sum is σ = 114987600. Its totient is φ = 112655488.

The previous prime is 113818387. The next prime is 113818427. The reversal of 113818403 is 304818311.

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 113818403 - 2⁴ = 113818387 is a prime.

It is a super-2 number, since 2×113818403² = 25909257722940818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113818703) 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, 40343 + ... + 43071.

It is an arithmetic number, because the mean of its divisors is an integer number (14373450).

Almost surely, 2^113818403 is an apocalyptic number.

113818403 is a deficient number, since it is larger than the sum of its proper divisors (1169197).

113818403 is a wasteful number, since it uses less digits than its factorization.

113818403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 113818403 is about 10668.5708040018. The cubic root of 113818403 is about 484.6231571590.

The spelling of 113818403 in words is "one hundred thirteen million, eight hundred eighteen thousand, four hundred three".