1113999394 has 8 divisors (see below), whose sum is σ = 1682214300. Its totient is φ = 553261296.

The previous prime is 1113999379. The next prime is 1113999401. The reversal of 1113999394 is 4939993111.

It can be written as a sum of positive squares in 2 ways, for example, as 1088142169 + 25857225 = 32987^2 + 5085^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1868829 + ... + 1869424.

Almost surely, 2^1113999394 is an apocalyptic number.

1113999394 is a deficient number, since it is larger than the sum of its proper divisors (568214906).

1113999394 is a wasteful number, since it uses less digits than its factorization.

1113999394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738404.

The product of its digits is 236196, while the sum is 49.

The square root of 1113999394 is about 33376.6294583500. The cubic root of 1113999394 is about 1036.6408487876.

The spelling of 1113999394 in words is "one billion, one hundred thirteen million, nine hundred ninety-nine thousand, three hundred ninety-four".