1139404 has 12 divisors (see below), whose sum is σ = 2278864. Its totient is φ = 488304.

The previous prime is 1139393. The next prime is 1139407. The reversal of 1139404 is 4049311.

1139404 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20319 + ... + 20374.

2^1139404 is an apocalyptic number.

1139404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1139404 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.

1139404 is a wasteful number, since it uses less digits than its factorization.

1139404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40704 (or 40702 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1139404 is about 1067.4286861425. The cubic root of 1139404 is about 104.4461846029.

The spelling of 1139404 in words is "one million, one hundred thirty-nine thousand, four hundred four".