13140343455520 has 48 divisors (see below), whose sum is σ = 31128650275968. Its totient is φ = 5241815458560.

The previous prime is 13140343455517. The next prime is 13140343455557. The reversal of 13140343455520 is 2555434304131.

It is a super-2 number, since 2×13140343455520² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 111831126 + ... + 111948565.

It is an arithmetic number, because the mean of its divisors is an integer number (648513547416).

Almost surely, 2^{13140343455520} is an apocalyptic number.

13140343455520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13140343455520 is an abundant number, since it is smaller than the sum of its proper divisors (17988306820448).

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

13140343455520 is a wasteful number, since it uses less digits than its factorization.

13140343455520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223780073 (or 223780065 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 13140343455520 its reverse (2555434304131), we get a palindrome (15695777759651).

The spelling of 13140343455520 in words is "thirteen trillion, one hundred forty billion, three hundred forty-three million, four hundred fifty-five thousand, five hundred twenty".