13420140342 has 32 divisors (see below), whose sum is σ = 30681007872. Its totient is φ = 3833525664.

The previous prime is 13420140317. The next prime is 13420140353. The reversal of 13420140342 is 24304102431.

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, 187533 + ... + 249015.

It is an arithmetic number, because the mean of its divisors is an integer number (958781496).

Almost surely, 2^13420140342 is an apocalyptic number.

13420140342 is an abundant number, since it is smaller than the sum of its proper divisors (17260867530).

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

13420140342 is a wasteful number, since it uses less digits than its factorization.

13420140342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66692.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13420140342 its reverse (24304102431), we get a palindrome (37724242773).

The spelling of 13420140342 in words is "thirteen billion, four hundred twenty million, one hundred forty thousand, three hundred forty-two".