1318411816394 has 8 divisors (see below), whose sum is σ = 1977760256160. Its totient is φ = 659158397676.

The previous prime is 1318411816307. The next prime is 1318411816411. The reversal of 1318411816394 is 4936181148131.

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, 23720564 + ... + 23776079.

It is an arithmetic number, because the mean of its divisors is an integer number (247220032020).

Almost surely, 2^{1318411816394} is an apocalyptic number.

1318411816394 is a deficient number, since it is larger than the sum of its proper divisors (659348439766).

1318411816394 is a wasteful number, since it uses less digits than its factorization.

1318411816394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47510524.

The product of its digits is 497664, while the sum is 50.

The spelling of 1318411816394 in words is "one trillion, three hundred eighteen billion, four hundred eleven million, eight hundred sixteen thousand, three hundred ninety-four".