13240243134 has 24 divisors (see below), whose sum is σ = 28689337872. Its totient is φ = 4413084480.

The previous prime is 13240243069. The next prime is 13240243169. The reversal of 13240243134 is 43134204231.

13240243134 is a `hidden beast` number, since 1 + 324 + 0 + 24 + 313 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 13240243098 and 13240243107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397879 + ... + 429869.

It is an arithmetic number, because the mean of its divisors is an integer number (1195389078).

Almost surely, 2^13240243134 is an apocalyptic number.

13240243134 is an abundant number, since it is smaller than the sum of its proper divisors (15449094738).

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

13240243134 is a wasteful number, since it uses less digits than its factorization.

13240243134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54992 (or 54989 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 13240243134 its reverse (43134204231), we get a palindrome (56374447365).

The spelling of 13240243134 in words is "thirteen billion, two hundred forty million, two hundred forty-three thousand, one hundred thirty-four".