1315941379 has 4 divisors (see below), whose sum is σ = 1322178280. Its totient is φ = 1309704480.

The previous prime is 1315941377. The next prime is 1315941433. The reversal of 1315941379 is 9731495131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1315941379 - 2¹ = 1315941377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315941377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3118134 + ... + 3118555.

It is an arithmetic number, because the mean of its divisors is an integer number (330544570).

Almost surely, 2^1315941379 is an apocalyptic number.

1315941379 is a deficient number, since it is larger than the sum of its proper divisors (6236901).

1315941379 is an equidigital number, since it uses as much as digits as its factorization.

1315941379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236900.

The product of its digits is 102060, while the sum is 43.

The square root of 1315941379 is about 36275.9063153493. The cubic root of 1315941379 is about 1095.8358758781.

The spelling of 1315941379 in words is "one billion, three hundred fifteen million, nine hundred forty-one thousand, three hundred seventy-nine".