13140420350515 has 8 divisors (see below), whose sum is σ = 15990596032608. Its totient is φ = 10364275205760.

The previous prime is 13140420350513. The next prime is 13140420350527. The reversal of 13140420350515 is 51505302404131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13140420350515 - 2¹ = 13140420350513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13140420350513) 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, 18507633942 + ... + 18507634651.

It is an arithmetic number, because the mean of its divisors is an integer number (1998824504076).

Almost surely, 2^{13140420350515} is an apocalyptic number.

13140420350515 is a deficient number, since it is larger than the sum of its proper divisors (2850175682093).

13140420350515 is an equidigital number, since it uses as much as digits as its factorization.

13140420350515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37015268669.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 13140420350515 its reverse (51505302404131), we get a palindrome (64645722754646).

The spelling of 13140420350515 in words is "thirteen trillion, one hundred forty billion, four hundred twenty million, three hundred fifty thousand, five hundred fifteen".