1139892432 has 160 divisors (see below), whose sum is σ = 3584984832. Its totient is φ = 304668672.

The previous prime is 1139892427. The next prime is 1139892463. The reversal of 1139892432 is 2342989311.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1124758 + ... + 1125770.

Almost surely, 2^1139892432 is an apocalyptic number.

1139892432 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 1139892432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792492416).

1139892432 is an abundant number, since it is smaller than the sum of its proper divisors (2445092400).

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

1139892432 is a wasteful number, since it uses less digits than its factorization.

1139892432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1239 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 1139892432 is about 33762.2930500877. The cubic root of 1139892432 is about 1044.6110689883.

The spelling of 1139892432 in words is "one billion, one hundred thirty-nine million, eight hundred ninety-two thousand, four hundred thirty-two".