1317602858144 has 48 divisors (see below), whose sum is σ = 2647243506600. Its totient is φ = 645422874624.

The previous prime is 1317602858113. The next prime is 1317602858191. The reversal of 1317602858144 is 4418582067131.

It can be written as a sum of positive squares in 4 ways, for example, as 929488810000 + 388114048144 = 964100^2 + 622988^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1317602858092 and 1317602858101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1811777 + ... + 2432640.

Almost surely, 2^{1317602858144} is an apocalyptic number.

It is an amenable number.

1317602858144 is an abundant number, since it is smaller than the sum of its proper divisors (1329640648456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1317602858144 is a wasteful number, since it uses less digits than its factorization.

1317602858144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244625 (or 4244617 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 1317602858144 in words is "one trillion, three hundred seventeen billion, six hundred two million, eight hundred fifty-eight thousand, one hundred forty-four".