13143456432 has 360 divisors, whose sum is σ = 40887316080. Its totient is φ = 3937689600.

The previous prime is 13143456427. The next prime is 13143456503. The reversal of 13143456432 is 23465434131.

13143456432 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 3 + 4 + 5 + 643 + 2 = 666.

13143456432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 71 ways as a sum of consecutive naturals, for example, 130133182 + ... + 130133282.

It is an arithmetic number, because the mean of its divisors is an integer number (113575878).

Almost surely, 2^13143456432 is an apocalyptic number.

13143456432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13143456432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20443658040).

13143456432 is an abundant number, since it is smaller than the sum of its proper divisors (27743859648).

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

13143456432 is a wasteful number, since it uses less digits than its factorization.

13143456432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 235 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The spelling of 13143456432 in words is "thirteen billion, one hundred forty-three million, four hundred fifty-six thousand, four hundred thirty-two".