1139432 has 16 divisors (see below), whose sum is σ = 2441760. Its totient is φ = 488304.

The previous prime is 1139423. The next prime is 1139461. The reversal of 1139432 is 2349311.

It is a junction number, because it is equal to n+sod(n) for n = 1139398 and 1139407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10118 + ... + 10229.

It is an arithmetic number, because the mean of its divisors is an integer number (152610).

2^1139432 is an apocalyptic number.

It is an amenable number.

1139432 is an abundant number, since it is smaller than the sum of its proper divisors (1302328).

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

1139432 is a wasteful number, since it uses less digits than its factorization.

1139432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20360 (or 20356 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 1139432 is about 1067.4418016923. The cubic root of 1139432 is about 104.4470401581.

The spelling of 1139432 in words is "one million, one hundred thirty-nine thousand, four hundred thirty-two".