13045131240 has 64 divisors (see below), whose sum is σ = 39375547200. Its totient is φ = 3457354752.

The previous prime is 13045131223. The next prime is 13045131241. The reversal of 13045131240 is 4213154031.

It is a happy number.

13045131240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13045131240.

It is not an unprimeable number, because it can be changed into a prime (13045131241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 313905 + ... + 353024.

It is an arithmetic number, because the mean of its divisors is an integer number (615242925).

Almost surely, 2^13045131240 is an apocalyptic number.

13045131240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13045131240 is an abundant number, since it is smaller than the sum of its proper divisors (26330415960).

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

13045131240 is a wasteful number, since it uses less digits than its factorization.

13045131240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667106 (or 667102 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 13045131240 its reverse (4213154031), we get a palindrome (17258285271).

The spelling of 13045131240 in words is "thirteen billion, forty-five million, one hundred thirty-one thousand, two hundred forty".