1317000356388 has 36 divisors (see below), whose sum is σ = 3329140995180. Its totient is φ = 438992633856.

The previous prime is 1317000356369. The next prime is 1317000356467. The reversal of 1317000356388 is 8836530007131.

1317000356388 is a `hidden beast` number, since 1 + 3 + 1 + 7 + 0 + 0 + 0 + 3 + 5 + 638 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1290545984484 + 26454371904 = 1136022^2 + 162648^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1317000356388² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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, 2080228 + ... + 2638436.

It is an arithmetic number, because the mean of its divisors is an integer number (92476138755).

Almost surely, 2^{1317000356388} is an apocalyptic number.

1317000356388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1317000356388 is an abundant number, since it is smaller than the sum of its proper divisors (2012140638792).

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

1317000356388 is a wasteful number, since it uses less digits than its factorization.

1317000356388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623756 (or 623751 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 1317000356388 in words is "one trillion, three hundred seventeen billion, three hundred fifty-six thousand, three hundred eighty-eight".