1139313 has 16 divisors (see below), whose sum is σ = 1751040. Its totient is φ = 645456.

The previous prime is 1139309. The next prime is 1139321. The reversal of 1139313 is 3139311.

It is not a de Polignac number, because 1139313 - 2² = 1139309 is a prime.

It is a super-2 number, since 2×1139313² = 2596068223938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

1139313 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1139313.

It is not an unprimeable number, because it can be changed into a prime (1139353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4648 + ... + 4886.

It is an arithmetic number, because the mean of its divisors is an integer number (109440).

2^1139313 is an apocalyptic number.

It is an amenable number.

1139313 is a deficient number, since it is larger than the sum of its proper divisors (611727).

1139313 is a wasteful number, since it uses less digits than its factorization.

1139313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476.

The product of its digits is 243, while the sum is 21.

The square root of 1139313 is about 1067.3860594930. The cubic root of 1139313 is about 104.4434039515.

The spelling of 1139313 in words is "one million, one hundred thirty-nine thousand, three hundred thirteen".