13529411856 has 135 divisors (see below), whose sum is σ = 39427681111. Its totient is φ = 4497241824.

The previous prime is 13529411851. The next prime is 13529411867. The reversal of 13529411856 is 65811492531.

It is a happy number.

The square root of 13529411856 is 116316.

It is a perfect power (a square), and thus also a powerful number.

13529411856 is a `hidden beast` number, since 1 + 3 + 529 + 4 + 118 + 5 + 6 = 666.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13529411851) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 37686205 + ... + 37686563.

Almost surely, 2^13529411856 is an apocalyptic number.

13529411856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13529411856 is the 116316-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13529411856

13529411856 is an abundant number, since it is smaller than the sum of its proper divisors (25898269255).

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

13529411856 is an frugal number, since it uses more digits than its factorization.

13529411856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 364 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The spelling of 13529411856 in words is "thirteen billion, five hundred twenty-nine million, four hundred eleven thousand, eight hundred fifty-six".