1113943814 has 16 divisors (see below), whose sum is σ = 1700144160. Its totient is φ = 547248960.

The previous prime is 1113943813. The next prime is 1113943861. The reversal of 1113943814 is 4183493111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113943813) 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, 121607 + ... + 130445.

It is an arithmetic number, because the mean of its divisors is an integer number (106259010).

Almost surely, 2^1113943814 is an apocalyptic number.

1113943814 is a deficient number, since it is larger than the sum of its proper divisors (586200346).

1113943814 is a wasteful number, since it uses less digits than its factorization.

1113943814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9935.

The product of its digits is 10368, while the sum is 35.

The square root of 1113943814 is about 33375.7968294391. The cubic root of 1113943814 is about 1036.6236083663.

The spelling of 1113943814 in words is "one billion, one hundred thirteen million, nine hundred forty-three thousand, eight hundred fourteen".