1363891133388 has 96 divisors (see below), whose sum is σ = 3735814860288. Its totient is φ = 379103155200.

The previous prime is 1363891133387. The next prime is 1363891133399. The reversal of 1363891133388 is 8833311983631.

It is not an unprimeable number, because it can be changed into a prime (1363891133387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29568223 + ... + 29614313.

It is an arithmetic number, because the mean of its divisors is an integer number (38914738128).

Almost surely, 2^{1363891133388} is an apocalyptic number.

It is an amenable number.

1363891133388 is an abundant number, since it is smaller than the sum of its proper divisors (2371923726900).

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

1363891133388 is a wasteful number, since it uses less digits than its factorization.

1363891133388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55663 (or 55661 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The spelling of 1363891133388 in words is "one trillion, three hundred sixty-three billion, eight hundred ninety-one million, one hundred thirty-three thousand, three hundred eighty-eight".