1139331 has 4 divisors (see below), whose sum is σ = 1519112. Its totient is φ = 759552.

The previous prime is 1139329. The next prime is 1139353. The reversal of 1139331 is 1339311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1139331 - 2¹ = 1139329 is a prime.

It is a super-2 number, since 2×1139331² = 2596150255122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1139298 and 1139307.

It is not an unprimeable number, because it can be changed into a prime (1139321) 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, 189886 + ... + 189891.

It is an arithmetic number, because the mean of its divisors is an integer number (379778).

2^1139331 is an apocalyptic number.

1139331 is a deficient number, since it is larger than the sum of its proper divisors (379781).

1139331 is an equidigital number, since it uses as much as digits as its factorization.

1139331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379780.

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

The square root of 1139331 is about 1067.3944912730. The cubic root of 1139331 is about 104.4439539822.

The spelling of 1139331 in words is "one million, one hundred thirty-nine thousand, three hundred thirty-one".