1339009 has 8 divisors (see below), whose sum is σ = 1539648. Its totient is φ = 1140720.

The previous prime is 1339003. The next prime is 1339027. The reversal of 1339009 is 9009331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1339009 - 2³ = 1339001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1339001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894 + ... + 1864.

It is an arithmetic number, because the mean of its divisors is an integer number (192456).

2^1339009 is an apocalyptic number.

It is an amenable number.

1339009 is a deficient number, since it is larger than the sum of its proper divisors (200639).

1339009 is an equidigital number, since it uses as much as digits as its factorization.

1339009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 1339009 is about 1157.1555643041. The cubic root of 1339009 is about 110.2201925442.

The spelling of 1339009 in words is "one million, three hundred thirty-nine thousand, nine".