1139315394 has 16 divisors (see below), whose sum is σ = 2604149568. Its totient is φ = 325518672.

The previous prime is 1139315357. The next prime is 1139315399. The reversal of 1139315394 is 4935139311.

It is not an unprimeable number, because it can be changed into a prime (1139315399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13563237 + ... + 13563320.

It is an arithmetic number, because the mean of its divisors is an integer number (162759348).

Almost surely, 2^1139315394 is an apocalyptic number.

1139315394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1139315394 is an abundant number, since it is smaller than the sum of its proper divisors (1464834174).

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

1139315394 is a wasteful number, since it uses less digits than its factorization.

1139315394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27126569.

The product of its digits is 43740, while the sum is 39.

The square root of 1139315394 is about 33753.7463698476. The cubic root of 1139315394 is about 1044.4347710596.

The spelling of 1139315394 in words is "one billion, one hundred thirty-nine million, three hundred fifteen thousand, three hundred ninety-four".