13120140432308 has 48 divisors (see below), whose sum is σ = 28259069072640. Its totient is φ = 5190329193984.

The previous prime is 13120140432293. The next prime is 13120140432317. The reversal of 13120140432308 is 80323404102131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55223660 + ... + 55460732.

It is an arithmetic number, because the mean of its divisors is an integer number (588730605680).

Almost surely, 2^{13120140432308} is an apocalyptic number.

It is an amenable number.

13120140432308 is an abundant number, since it is smaller than the sum of its proper divisors (15138928640332).

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

13120140432308 is a wasteful number, since it uses less digits than its factorization.

13120140432308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389136 (or 389134 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 13120140432308 its reverse (80323404102131), we get a palindrome (93443544534439).

The spelling of 13120140432308 in words is "thirteen trillion, one hundred twenty billion, one hundred forty million, four hundred thirty-two thousand, three hundred eight".