1315348394 has 8 divisors (see below), whose sum is σ = 1973321028. Its totient is φ = 657574720.

The previous prime is 1315348387. The next prime is 1315348423. The reversal of 1315348394 is 4938435131.

It can be written as a sum of positive squares in 2 ways, for example, as 1241646169 + 73702225 = 35237^2 + 8585^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31937 + ... + 60420.

Almost surely, 2^1315348394 is an apocalyptic number.

1315348394 is a deficient number, since it is larger than the sum of its proper divisors (657972634).

1315348394 is an equidigital number, since it uses as much as digits as its factorization.

1315348394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99480.

The product of its digits is 155520, while the sum is 41.

The square root of 1315348394 is about 36267.7321320206. The cubic root of 1315348394 is about 1095.6712505442.

The spelling of 1315348394 in words is "one billion, three hundred fifteen million, three hundred forty-eight thousand, three hundred ninety-four".