13535131 has 4 divisors (see below), whose sum is σ = 13764600. Its totient is φ = 13305664.

The previous prime is 13535117. The next prime is 13535167. The reversal of 13535131 is 13153531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13535131 - 2¹⁹ = 13010843 is a prime.

It is a super-2 number, since 2×13535131² = 366399542374322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13535101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114646 + ... + 114763.

It is an arithmetic number, because the mean of its divisors is an integer number (3441150).

Almost surely, 2^13535131 is an apocalyptic number.

13535131 is a deficient number, since it is larger than the sum of its proper divisors (229469).

13535131 is an equidigital number, since it uses as much as digits as its factorization.

13535131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229468.

The product of its digits is 675, while the sum is 22.

The square root of 13535131 is about 3679.0122315643. The cubic root of 13535131 is about 238.3165232845.

Adding to 13535131 its reverse (13153531), we get a palindrome (26688662).

The spelling of 13535131 in words is "thirteen million, five hundred thirty-five thousand, one hundred thirty-one".