1139339 has 4 divisors (see below), whose sum is σ = 1141824. Its totient is φ = 1136856.

The previous prime is 1139329. The next prime is 1139353. The reversal of 1139339 is 9339311.

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

It is a cyclic number.

It is not a de Polignac number, because 1139339 - 2¹⁶ = 1073803 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1139309) 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, 332 + ... + 1545.

It is an arithmetic number, because the mean of its divisors is an integer number (285456).

2^1139339 is an apocalyptic number.

1139339 is a deficient number, since it is larger than the sum of its proper divisors (2485).

1139339 is an equidigital number, since it uses as much as digits as its factorization.

1139339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484.

The product of its digits is 2187, while the sum is 29.

The square root of 1139339 is about 1067.3982387094. The cubic root of 1139339 is about 104.4441984385. Note that the first 3 decimals are identical.

The spelling of 1139339 in words is "one million, one hundred thirty-nine thousand, three hundred thirty-nine".