13140305554452 has 48 divisors (see below), whose sum is σ = 30721325386752. Its totient is φ = 4371451308000.

The previous prime is 13140305554451. The next prime is 13140305554457. The reversal of 13140305554452 is 25445550304131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140305554451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12055077 + ... + 13099827.

It is an arithmetic number, because the mean of its divisors is an integer number (640027612224).

Almost surely, 2^{13140305554452} is an apocalyptic number.

13140305554452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13140305554452 is an abundant number, since it is smaller than the sum of its proper divisors (17581019832300).

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

13140305554452 is a wasteful number, since it uses less digits than its factorization.

13140305554452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046828 (or 1046826 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 13140305554452 its reverse (25445550304131), we get a palindrome (38585855858583).

The spelling of 13140305554452 in words is "thirteen trillion, one hundred forty billion, three hundred five million, five hundred fifty-four thousand, four hundred fifty-two".