13146426261318 has 64 divisors (see below), whose sum is σ = 30474098823168. Its totient is φ = 3702987822240.

The previous prime is 13146426261317. The next prime is 13146426261329. The reversal of 13146426261318 is 81316262464131.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146426261313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50884221 + ... + 51141927.

It is an arithmetic number, because the mean of its divisors is an integer number (476157794112).

Almost surely, 2^{13146426261318} is an apocalyptic number.

13146426261318 is an abundant number, since it is smaller than the sum of its proper divisors (17327672561850).

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

13146426261318 is a wasteful number, since it uses less digits than its factorization.

13146426261318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274897.

The product of its digits is 995328, while the sum is 48.

The spelling of 13146426261318 in words is "thirteen trillion, one hundred forty-six billion, four hundred twenty-six million, two hundred sixty-one thousand, three hundred eighteen".