1139312 has 20 divisors (see below), whose sum is σ = 2279616. Its totient is φ = 551040.

The previous prime is 1139309. The next prime is 1139321. The reversal of 1139312 is 2139311.

1139312 is an admirable number.

It is a congruent number.

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, 653 + ... + 1644.

2^1139312 is an apocalyptic number.

It is an amenable number.

1139312 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1139312 is a wasteful number, since it uses less digits than its factorization.

1139312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336 (or 2330 counting only the distinct ones).

The product of its digits is 162, while the sum is 20.

The square root of 1139312 is about 1067.3855910588. The cubic root of 1139312 is about 104.4433733941.

Subtracting 1139312 from its reverse (2139311), we obtain a palindrome (999999).

The spelling of 1139312 in words is "one million, one hundred thirty-nine thousand, three hundred twelve".