13140343240400 has 60 divisors (see below), whose sum is σ = 31574329914144. Its totient is φ = 5255362224000.

The previous prime is 13140343240391. The next prime is 13140343240481. The reversal of 13140343240400 is 404234304131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297695 + ... + 5135105.

Almost surely, 2^{13140343240400} is an apocalyptic number.

13140343240400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13140343240400 is an abundant number, since it is smaller than the sum of its proper divisors (18433986673744).

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

13140343240400 is a wasteful number, since it uses less digits than its factorization.

13140343240400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844220 (or 4844209 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13140343240400 its reverse (404234304131), we get a palindrome (13544577544531).

The spelling of 13140343240400 in words is "thirteen trillion, one hundred forty billion, three hundred forty-three million, two hundred forty thousand, four hundred".