1390327259 has 2 divisors, whose sum is σ = 1390327260. Its totient is φ = 1390327258.

The previous prime is 1390327249. The next prime is 1390327297. The reversal of 1390327259 is 9527230931.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9527230931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1390327259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1390327219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695163629 + 695163630.

It is an arithmetic number, because the mean of its divisors is an integer number (695163630).

Almost surely, 2^1390327259 is an apocalyptic number.

1390327259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390327259 is an equidigital number, since it uses as much as digits as its factorization.

1390327259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 1390327259 is about 37287.0923913356. The cubic root of 1390327259 is about 1116.1066075259.

The spelling of 1390327259 in words is "one billion, three hundred ninety million, three hundred twenty-seven thousand, two hundred fifty-nine".