1139497296 has 80 divisors (see below), whose sum is σ = 3410388864. Its totient is φ = 321103872.

The previous prime is 1139497259. The next prime is 1139497339. The reversal of 1139497296 is 6927949311.

It is a super-4 number, since 4×1139497296⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1300 + ... + 47756.

Almost surely, 2^1139497296 is an apocalyptic number.

1139497296 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 1139497296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1705194432).

1139497296 is an abundant number, since it is smaller than the sum of its proper divisors (2270891568).

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

1139497296 is a wasteful number, since it uses less digits than its factorization.

1139497296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46548 (or 46542 counting only the distinct ones).

The product of its digits is 734832, while the sum is 51.

The square root of 1139497296 is about 33756.4408076444. The cubic root of 1139497296 is about 1044.4903525853.

The spelling of 1139497296 in words is "one billion, one hundred thirty-nine million, four hundred ninety-seven thousand, two hundred ninety-six".