1139412232 has 64 divisors (see below), whose sum is σ = 2496510720. Its totient is φ = 477404928.

The previous prime is 1139412191. The next prime is 1139412269. The reversal of 1139412232 is 2322149311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1139412232.

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, 1177813 + ... + 1178779.

It is an arithmetic number, because the mean of its divisors is an integer number (39007980).

Almost surely, 2^1139412232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139412232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1248255360).

1139412232 is an abundant number, since it is smaller than the sum of its proper divisors (1357098488).

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

1139412232 is a wasteful number, since it uses less digits than its factorization.

1139412232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430 (or 1426 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 1139412232 is about 33755.1808171723. The cubic root of 1139412232 is about 1044.4643613760.

The spelling of 1139412232 in words is "one billion, one hundred thirty-nine million, four hundred twelve thousand, two hundred thirty-two".