1318393275 has 12 divisors (see below), whose sum is σ = 2179743672. Its totient is φ = 703143040.

The previous prime is 1318393243. The next prime is 1318393277. The reversal of 1318393275 is 5723938131.

It is not a de Polignac number, because 1318393275 - 2⁵ = 1318393243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1318393277) 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 in 11 ways as a sum of consecutive naturals, for example, 8789214 + ... + 8789363.

It is an arithmetic number, because the mean of its divisors is an integer number (181645306).

Almost surely, 2^1318393275 is an apocalyptic number.

1318393275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1318393275 is a deficient number, since it is larger than the sum of its proper divisors (861350397).

1318393275 is a wasteful number, since it uses less digits than its factorization.

1318393275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17578590 (or 17578585 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 1318393275 is about 36309.6856912863. The cubic root of 1318393275 is about 1096.5160501921.

The spelling of 1318393275 in words is "one billion, three hundred eighteen million, three hundred ninety-three thousand, two hundred seventy-five".