111438814 has 16 divisors (see below), whose sum is σ = 169041168. Its totient is φ = 55095232.

The previous prime is 111438797. The next prime is 111438853. The reversal of 111438814 is 418834111.

It is a congruent number.

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, 86217 + ... + 87499.

It is an arithmetic number, because the mean of its divisors is an integer number (10565073).

Almost surely, 2^111438814 is an apocalyptic number.

111438814 is a deficient number, since it is larger than the sum of its proper divisors (57602354).

111438814 is a wasteful number, since it uses less digits than its factorization.

111438814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739.

The product of its digits is 3072, while the sum is 31.

The square root of 111438814 is about 10556.4584023241. The cubic root of 111438814 is about 481.2220222336. Note that the first 3 decimals are identical.

The spelling of 111438814 in words is "one hundred eleven million, four hundred thirty-eight thousand, eight hundred fourteen".