13140132434 has 16 divisors (see below), whose sum is σ = 23156038080. Its totient is φ = 5513342160.

The previous prime is 13140132433. The next prime is 13140132437. The reversal of 13140132434 is 43423104131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13140132433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22971974 + ... + 22972545.

It is an arithmetic number, because the mean of its divisors is an integer number (1447252380).

Almost surely, 2^13140132434 is an apocalyptic number.

13140132434 is a deficient number, since it is larger than the sum of its proper divisors (10015905646).

13140132434 is a wasteful number, since it uses less digits than its factorization.

13140132434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45944545.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13140132434 its reverse (43423104131), we get a palindrome (56563236565).

The spelling of 13140132434 in words is "thirteen billion, one hundred forty million, one hundred thirty-two thousand, four hundred thirty-four".