13132534544 has 60 divisors (see below), whose sum is σ = 27129274404. Its totient is φ = 6157105152.

The previous prime is 13132534537. The next prime is 13132534567. The reversal of 13132534544 is 44543523131.

It can be written as a sum of positive squares in 6 ways, for example, as 131974144 + 13000560400 = 11488^2 + 114020^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1275722 + ... + 1285974.

Almost surely, 2^13132534544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13132534544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13564637202).

13132534544 is an abundant number, since it is smaller than the sum of its proper divisors (13996739860).

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

13132534544 is a wasteful number, since it uses less digits than its factorization.

13132534544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10572 (or 10549 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The spelling of 13132534544 in words is "thirteen billion, one hundred thirty-two million, five hundred thirty-four thousand, five hundred forty-four".