13531143535 has 32 divisors (see below), whose sum is σ = 20361559680. Its totient is φ = 8403153408.

The previous prime is 13531143533. The next prime is 13531143539. The reversal of 13531143535 is 53534113531.

It is a happy number.

It is not a de Polignac number, because 13531143535 - 2¹ = 13531143533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13531143535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531143533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256440 + ... + 304669.

It is an arithmetic number, because the mean of its divisors is an integer number (636298740).

Almost surely, 2^13531143535 is an apocalyptic number.

13531143535 is a deficient number, since it is larger than the sum of its proper divisors (6830416145).

13531143535 is a wasteful number, since it uses less digits than its factorization.

13531143535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561187.

The product of its digits is 40500, while the sum is 34.

The spelling of 13531143535 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-three thousand, five hundred thirty-five".