1315435439 has 2 divisors, whose sum is σ = 1315435440. Its totient is φ = 1315435438.

The previous prime is 1315435427. The next prime is 1315435441. The reversal of 1315435439 is 9345345131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1315435439 - 2¹⁶ = 1315369903 is a prime.

Together with 1315435441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315435409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657717719 + 657717720.

It is an arithmetic number, because the mean of its divisors is an integer number (657717720).

Almost surely, 2^1315435439 is an apocalyptic number.

1315435439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315435439 is an equidigital number, since it uses as much as digits as its factorization.

1315435439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 38.

The square root of 1315435439 is about 36268.9321458463. The cubic root of 1315435439 is about 1095.6954191981.

The spelling of 1315435439 in words is "one billion, three hundred fifteen million, four hundred thirty-five thousand, four hundred thirty-nine".