1313926218768 has 20 divisors (see below), whose sum is σ = 3394309398608. Its totient is φ = 437975406240.

The previous prime is 1313926218767. The next prime is 1313926218797. The reversal of 1313926218768 is 8678126293131.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1313926218767) 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, 13686731398 + ... + 13686731493.

Almost surely, 2^{1313926218768} is an apocalyptic number.

It is an amenable number.

1313926218768 is an abundant number, since it is smaller than the sum of its proper divisors (2080383179840).

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

1313926218768 is a wasteful number, since it uses less digits than its factorization.

1313926218768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27373462902 (or 27373462896 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The spelling of 1313926218768 in words is "one trillion, three hundred thirteen billion, nine hundred twenty-six million, two hundred eighteen thousand, seven hundred sixty-eight".