1139962432 has 112 divisors (see below), whose sum is σ = 2713939200. Its totient is φ = 464504832.

The previous prime is 1139962429. The next prime is 1139962459. The reversal of 1139962432 is 2342699311.

It is a tau number, because it is divible by the number of its divisors (112).

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 15 ways as a sum of consecutive naturals, for example, 3266194 + ... + 3266542.

It is an arithmetic number, because the mean of its divisors is an integer number (24231600).

Almost surely, 2^1139962432 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 1139962432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356969600).

1139962432 is an abundant number, since it is smaller than the sum of its proper divisors (1573976768).

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

1139962432 is a wasteful number, since it uses less digits than its factorization.

1139962432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 698 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 1139962432 is about 33763.3296936188. The cubic root of 1139962432 is about 1044.6324514965.

The spelling of 1139962432 in words is "one billion, one hundred thirty-nine million, nine hundred sixty-two thousand, four hundred thirty-two".