1315842859 has 2 divisors, whose sum is σ = 1315842860. Its totient is φ = 1315842858.

The previous prime is 1315842799. The next prime is 1315842887. The reversal of 1315842859 is 9582485131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315842859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1315842559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657921429 + 657921430.

It is an arithmetic number, because the mean of its divisors is an integer number (657921430).

Almost surely, 2^1315842859 is an apocalyptic number.

1315842859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315842859 is an equidigital number, since it uses as much as digits as its factorization.

1315842859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 46.

The square root of 1315842859 is about 36274.5483638322. The cubic root of 1315842859 is about 1095.8085280427.

The spelling of 1315842859 in words is "one billion, three hundred fifteen million, eight hundred forty-two thousand, eight hundred fifty-nine".