1313404039 has 2 divisors, whose sum is σ = 1313404040. Its totient is φ = 1313404038.

The previous prime is 1313404007. The next prime is 1313404073. The reversal of 1313404039 is 9304043131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313404039 - 2⁵ = 1313404007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313403998 and 1313404016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313404439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656702019 + 656702020.

It is an arithmetic number, because the mean of its divisors is an integer number (656702020).

Almost surely, 2^1313404039 is an apocalyptic number.

1313404039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313404039 is an equidigital number, since it uses as much as digits as its factorization.

1313404039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1313404039 is about 36240.9166412772. The cubic root of 1313404039 is about 1095.1311086175.

The spelling of 1313404039 in words is "one billion, three hundred thirteen million, four hundred four thousand, thirty-nine".