18113914 has 16 divisors (see below), whose sum is σ = 33441408. Its totient is φ = 7165872.

The previous prime is 18113881. The next prime is 18113929. The reversal of 18113914 is 41931181.

It is a super-2 number, since 2×18113914² = 656227760798792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49582 + ... + 49945.

It is an arithmetic number, because the mean of its divisors is an integer number (2090088).

Almost surely, 2^18113914 is an apocalyptic number.

18113914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18113914 is a deficient number, since it is larger than the sum of its proper divisors (15327494).

18113914 is a wasteful number, since it uses less digits than its factorization.

18113914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99549.

The product of its digits is 864, while the sum is 28.

The square root of 18113914 is about 4256.0444076631. The cubic root of 18113914 is about 262.6258275065.

The spelling of 18113914 in words is "eighteen million, one hundred thirteen thousand, nine hundred fourteen".