1139343296 has 84 divisors (see below), whose sum is σ = 2832418008. Its totient is φ = 450713088.

The previous prime is 1139343263. The next prime is 1139343311. The reversal of 1139343296 is 6923439311.

It is a super-2 number, since 2×1139343296² = 2596206292280287232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26795 + ... + 54741.

It is an arithmetic number, because the mean of its divisors is an integer number (33719262).

Almost surely, 2^1139343296 is an apocalyptic number.

1139343296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139343296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1416209004).

1139343296 is an abundant number, since it is smaller than the sum of its proper divisors (1693074712).

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

1139343296 is a wasteful number, since it uses less digits than its factorization.

1139343296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27986 (or 27969 counting only the distinct ones).

The product of its digits is 104976, while the sum is 41.

The square root of 1139343296 is about 33754.1596844004. The cubic root of 1139343296 is about 1044.4432971099.

The spelling of 1139343296 in words is "one billion, one hundred thirty-nine million, three hundred forty-three thousand, two hundred ninety-six".