13120013654140 has 24 divisors (see below), whose sum is σ = 27631429347312. Its totient is φ = 5232881523840.

The previous prime is 13120013654087. The next prime is 13120013654149. The reversal of 13120013654140 is 4145631002131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120013654149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945239001 + ... + 945252880.

It is an arithmetic number, because the mean of its divisors is an integer number (1151309556138).

Almost surely, 2^{13120013654140} is an apocalyptic number.

13120013654140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120013654140 is an abundant number, since it is smaller than the sum of its proper divisors (14511415693172).

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

13120013654140 is a wasteful number, since it uses less digits than its factorization.

13120013654140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890492237 (or 1890492235 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 13120013654140 its reverse (4145631002131), we get a palindrome (17265644656271).

The spelling of 13120013654140 in words is "thirteen trillion, one hundred twenty billion, thirteen million, six hundred fifty-four thousand, one hundred forty".