13232240135 has 4 divisors (see below), whose sum is σ = 15878688168. Its totient is φ = 10585792104.

The previous prime is 13232240117. The next prime is 13232240141. The reversal of 13232240135 is 53104223231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53104223231 = 23873 ⋅2224447.

It is a cyclic number.

It is not a de Polignac number, because 13232240135 - 2⁸ = 13232239879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323224009 + ... + 1323224018.

It is an arithmetic number, because the mean of its divisors is an integer number (3969672042).

Almost surely, 2^13232240135 is an apocalyptic number.

13232240135 is a deficient number, since it is larger than the sum of its proper divisors (2646448033).

13232240135 is an equidigital number, since it uses as much as digits as its factorization.

13232240135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646448032.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13232240135 its reverse (53104223231), we get a palindrome (66336463366).

The spelling of 13232240135 in words is "thirteen billion, two hundred thirty-two million, two hundred forty thousand, one hundred thirty-five".