13531142105 has 32 divisors (see below), whose sum is σ = 18064650240. Its totient is φ = 9662307840.

The previous prime is 13531142077. The next prime is 13531142113. The reversal of 13531142105 is 50124113531.

It is not a de Polignac number, because 13531142105 - 2⁸ = 13531141849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4336736 + ... + 4339854.

It is an arithmetic number, because the mean of its divisors is an integer number (564520320).

Almost surely, 2^13531142105 is an apocalyptic number.

It is an amenable number.

13531142105 is a deficient number, since it is larger than the sum of its proper divisors (4533508135).

13531142105 is a wasteful number, since it uses less digits than its factorization.

13531142105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 13531142105 its reverse (50124113531), we get a palindrome (63655255636).

The spelling of 13531142105 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-two thousand, one hundred five".