13140442132 has 12 divisors (see below), whose sum is σ = 23163627060. Its totient is φ = 6522262976.

The previous prime is 13140442129. The next prime is 13140442171. The reversal of 13140442132 is 23124404131.

13140442132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8677667716 + 4462774416 = 93154^2 + 66804^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13140442097 and 13140442106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11988907 + ... + 11990002.

It is an arithmetic number, because the mean of its divisors is an integer number (1930302255).

Almost surely, 2^13140442132 is an apocalyptic number.

It is an amenable number.

13140442132 is a deficient number, since it is larger than the sum of its proper divisors (10023184928).

13140442132 is a wasteful number, since it uses less digits than its factorization.

13140442132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23979050 (or 23979048 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13140442132 its reverse (23124404131), we get a palindrome (36264846263).

The spelling of 13140442132 in words is "thirteen billion, one hundred forty million, four hundred forty-two thousand, one hundred thirty-two".