13143820788 has 72 divisors (see below), whose sum is σ = 37983196160. Its totient is φ = 3754175040.

The previous prime is 13143820783. The next prime is 13143820799. The reversal of 13143820788 is 88702834131.

13143820788 is a `hidden beast` number, since 1 + 3 + 1 + 438 + 207 + 8 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143820783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1041798 + ... + 1054338.

Almost surely, 2^13143820788 is an apocalyptic number.

13143820788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13143820788 is an abundant number, since it is smaller than the sum of its proper divisors (24839375372).

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

13143820788 is a wasteful number, since it uses less digits than its factorization.

13143820788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16717 (or 16712 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 13143820788 in words is "thirteen billion, one hundred forty-three million, eight hundred twenty thousand, seven hundred eighty-eight".