1139364 has 18 divisors (see below), whose sum is σ = 2880150. Its totient is φ = 379776.

The previous prime is 1139353. The next prime is 1139387. The reversal of 1139364 is 4639311.

It can be written as a sum of positive squares in only one way, i.e., 1102500 + 36864 = 1050^2 + 192^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15789 + ... + 15860.

2^1139364 is an apocalyptic number.

It is an amenable number.

1139364 is an abundant number, since it is smaller than the sum of its proper divisors (1740786).

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

1139364 is a wasteful number, since it uses less digits than its factorization.

1139364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31659 (or 31654 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 1139364 is about 1067.4099493634. The cubic root of 1139364 is about 104.4449623568. Note that the first 3 decimals are identical.

The spelling of 1139364 in words is "one million, one hundred thirty-nine thousand, three hundred sixty-four".