13140442555540 has 24 divisors (see below), whose sum is σ = 27595143025632. Its totient is φ = 5256136325280.

The previous prime is 13140442555523. The next prime is 13140442555619. The reversal of 13140442555540 is 4555524404131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174967 + ... + 5129473.

It is an arithmetic number, because the mean of its divisors is an integer number (1149797626068).

Almost surely, 2^{13140442555540} is an apocalyptic number.

13140442555540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13140442555540 is an abundant number, since it is smaller than the sum of its proper divisors (14454700470092).

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

13140442555540 is a wasteful number, since it uses less digits than its factorization.

13140442555540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087127 (or 5087125 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 43.

Adding to 13140442555540 its reverse (4555524404131), we get a palindrome (17695966959671).

The spelling of 13140442555540 in words is "thirteen trillion, one hundred forty billion, four hundred forty-two million, five hundred fifty-five thousand, five hundred forty".