1315381759 has 8 divisors (see below), whose sum is σ = 1332076032. Its totient is φ = 1298707800.

The previous prime is 1315381703. The next prime is 1315381763. The reversal of 1315381759 is 9571835131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1315381759 - 2⁷ = 1315381631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315381559) 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 in 7 ways as a sum of consecutive naturals, for example, 157872 + ... + 165994.

It is an arithmetic number, because the mean of its divisors is an integer number (166509504).

Almost surely, 2^1315381759 is an apocalyptic number.

1315381759 is a deficient number, since it is larger than the sum of its proper divisors (16694273).

1315381759 is an equidigital number, since it uses as much as digits as its factorization.

1315381759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10157.

The product of its digits is 113400, while the sum is 43.

The square root of 1315381759 is about 36268.1921109944. The cubic root of 1315381759 is about 1095.6805146961.

The spelling of 1315381759 in words is "one billion, three hundred fifteen million, three hundred eighty-one thousand, seven hundred fifty-nine".