13120142344340 has 12 divisors (see below), whose sum is σ = 27552298923156. Its totient is φ = 5248056937728.

The previous prime is 13120142344319. The next prime is 13120142344369. The reversal of 13120142344340 is 4344324102131.

It can be written as a sum of positive squares in 2 ways, for example, as 7767045711364 + 5353096632976 = 2786942^2 + 2313676^2 .

It is a super-2 number, since 2×13120142344340² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13120142344297 and 13120142344306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328003558589 + ... + 328003558628.

It is an arithmetic number, because the mean of its divisors is an integer number (2296024910263).

Almost surely, 2^{13120142344340} is an apocalyptic number.

13120142344340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120142344340 is an abundant number, since it is smaller than the sum of its proper divisors (14432156578816).

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

13120142344340 is a wasteful number, since it uses less digits than its factorization.

13120142344340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656007117226 (or 656007117224 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 13120142344340 its reverse (4344324102131), we get a palindrome (17464466446471).

The spelling of 13120142344340 in words is "thirteen trillion, one hundred twenty billion, one hundred forty-two million, three hundred forty-four thousand, three hundred forty".