13143040340020 has 24 divisors (see below), whose sum is σ = 27607891092264. Its totient is φ = 5255786349696.

The previous prime is 13143040339981. The next prime is 13143040340047. The reversal of 13143040340020 is 2004304034131.

It can be written as a sum of positive squares in 4 ways, for example, as 6908770430116 + 6234269909904 = 2628454^2 + 2496852^2 .

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 7 ways as a sum of consecutive naturals, for example, 89286267 + ... + 89433346.

It is an arithmetic number, because the mean of its divisors is an integer number (1150328795511).

Almost surely, 2^{13143040340020} is an apocalyptic number.

13143040340020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13143040340020 is an abundant number, since it is smaller than the sum of its proper divisors (14464850752244).

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

13143040340020 is a wasteful number, since it uses less digits than its factorization.

13143040340020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178723299 (or 178723297 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13143040340020 its reverse (2004304034131), we get a palindrome (15147344374151).

The spelling of 13143040340020 in words is "thirteen trillion, one hundred forty-three billion, forty million, three hundred forty thousand, twenty".