1390339019 has 2 divisors, whose sum is σ = 1390339020. Its totient is φ = 1390339018.

The previous prime is 1390338979. The next prime is 1390339039. The reversal of 1390339019 is 9109330931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1390339019 is a prime.

It is a super-2 number, since 2×1390339019² = 3866085175507764722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1390339039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695169509 + 695169510.

It is an arithmetic number, because the mean of its divisors is an integer number (695169510).

Almost surely, 2^1390339019 is an apocalyptic number.

1390339019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390339019 is an equidigital number, since it uses as much as digits as its factorization.

1390339019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19683, while the sum is 38.

The square root of 1390339019 is about 37287.2500863231. The cubic root of 1390339019 is about 1116.1097543573.

The spelling of 1390339019 in words is "one billion, three hundred ninety million, three hundred thirty-nine thousand, nineteen".