1315436357 has 2 divisors, whose sum is σ = 1315436358. Its totient is φ = 1315436356.

The previous prime is 1315436293. The next prime is 1315436359. The reversal of 1315436357 is 7536345131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 869424196 + 446012161 = 29486^2 + 21119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315436357 - 2⁶ = 1315436293 is a prime.

Together with 1315436359, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1315436357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315436359) 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, 657718178 + 657718179.

It is an arithmetic number, because the mean of its divisors is an integer number (657718179).

Almost surely, 2^1315436357 is an apocalyptic number.

It is an amenable number.

1315436357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315436357 is an equidigital number, since it uses as much as digits as its factorization.

1315436357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 38.

The square root of 1315436357 is about 36268.9448013035. The cubic root of 1315436357 is about 1095.6956740815.

The spelling of 1315436357 in words is "one billion, three hundred fifteen million, four hundred thirty-six thousand, three hundred fifty-seven".