1139528832 has 256 divisors, whose sum is σ = 3423772800. Its totient is φ = 333545472.

The previous prime is 1139528821. The next prime is 1139528833. The reversal of 1139528832 is 2388259311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1139528833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15609948 + ... + 15610020.

Almost surely, 2^1139528832 is an apocalyptic number.

1139528832 is a gapful number since it is divisible by the number (12) 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 1139528832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1711886400).

1139528832 is an abundant number, since it is smaller than the sum of its proper divisors (2284243968).

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

1139528832 is a wasteful number, since it uses less digits than its factorization.

1139528832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 203 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 1139528832 is about 33756.9079152697. The cubic root of 1139528832 is about 1044.4999880459.

The spelling of 1139528832 in words is "one billion, one hundred thirty-nine million, five hundred twenty-eight thousand, eight hundred thirty-two".