1304087039 has 2 divisors, whose sum is σ = 1304087040. Its totient is φ = 1304087038.

The previous prime is 1304087027. The next prime is 1304087047. The reversal of 1304087039 is 9307804031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304087039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304087339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652043519 + 652043520.

It is an arithmetic number, because the mean of its divisors is an integer number (652043520).

Almost surely, 2^1304087039 is an apocalyptic number.

1304087039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304087039 is an equidigital number, since it uses as much as digits as its factorization.

1304087039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1304087039 is about 36112.1453115153. The cubic root of 1304087039 is about 1092.5354212500.

The spelling of 1304087039 in words is "one billion, three hundred four million, eighty-seven thousand, thirty-nine".