1318966790 has 8 divisors (see below), whose sum is σ = 2374140240. Its totient is φ = 527586712.

The previous prime is 1318966723. The next prime is 1318966799. The reversal of 1318966790 is 976698131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318966799) 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, 65948330 + ... + 65948349.

It is an arithmetic number, because the mean of its divisors is an integer number (296767530).

Almost surely, 2^1318966790 is an apocalyptic number.

1318966790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1318966790 is a deficient number, since it is larger than the sum of its proper divisors (1055173450).

1318966790 is a wasteful number, since it uses less digits than its factorization.

1318966790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131896686.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 1318966790 is about 36317.5823809901. The cubic root of 1318966790 is about 1096.6750258301.

The spelling of 1318966790 in words is "one billion, three hundred eighteen million, nine hundred sixty-six thousand, seven hundred ninety".