113218398 has 40 divisors (see below), whose sum is σ = 259608888. Its totient is φ = 36859536.

The previous prime is 113218387. The next prime is 113218421. The reversal of 113218398 is 893812311.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1161 + ... + 15092.

Almost surely, 2^113218398 is an apocalyptic number.

113218398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

113218398 is an abundant number, since it is smaller than the sum of its proper divisors (146390490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113218398 is a wasteful number, since it uses less digits than its factorization.

113218398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16310 (or 16301 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 113218398 is about 10640.4134318174. The cubic root of 113218398 is about 483.7700766861.

The spelling of 113218398 in words is "one hundred thirteen million, two hundred eighteen thousand, three hundred ninety-eight".