1317476738956 has 24 divisors (see below), whose sum is σ = 2635689082880. Its totient is φ = 564475258512.

The previous prime is 1317476738927. The next prime is 1317476738983. The reversal of 1317476738956 is 6598376747131.

It is a junction number, because it is equal to n+sod(n) for n = 1317476738891 and 1317476738900.

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, 6465786 + ... + 6666433.

Almost surely, 2^{1317476738956} is an apocalyptic number.

It is an amenable number.

1317476738956 is an abundant number, since it is smaller than the sum of its proper divisors (1318212343924).

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

1317476738956 is a wasteful number, since it uses less digits than its factorization.

1317476738956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13135813 (or 13135811 counting only the distinct ones).

The product of its digits is 160030080, while the sum is 67.

The spelling of 1317476738956 in words is "one trillion, three hundred seventeen billion, four hundred seventy-six million, seven hundred thirty-eight thousand, nine hundred fifty-six".