13140023344020 has 84 divisors (see below), whose sum is σ = 41372147620020. Its totient is φ = 3504006221184.

The previous prime is 13140023343971. The next prime is 13140023344037. The reversal of 13140023344020 is 2044332004131.

13140023344020 is a `hidden beast` number, since 1 + 3 + 1 + 400 + 233 + 4 + 4 + 0 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5757293118096 + 7382730225924 = 2399436^2 + 2717118^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 450603505 + ... + 450632664.

It is an arithmetic number, because the mean of its divisors is an integer number (492525566905).

Almost surely, 2^{13140023344020} is an apocalyptic number.

13140023344020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13140023344020 is an abundant number, since it is smaller than the sum of its proper divisors (28232124276000).

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

13140023344020 is an equidigital number, since it uses as much as digits as its factorization.

13140023344020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901236196 (or 901236179 counting only the distinct ones).

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

Adding to 13140023344020 its reverse (2044332004131), we get a palindrome (15184355348151).

The spelling of 13140023344020 in words is "thirteen trillion, one hundred forty billion, twenty-three million, three hundred forty-four thousand, twenty".