13534840134918 has 24 divisors (see below), whose sum is σ = 30336710648400. Its totient is φ = 4356040503024.

The previous prime is 13534840134917. The next prime is 13534840134923. The reversal of 13534840134918 is 81943104843531.

13534840134918 is a `hidden beast` number, since 1 + 3 + 534 + 8 + 4 + 0 + 13 + 4 + 91 + 8 = 666.

13534840134918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13534840134917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12964405738 + ... + 12964406781.

It is an arithmetic number, because the mean of its divisors is an integer number (1264029610350).

Almost surely, 2^{13534840134918} is an apocalyptic number.

13534840134918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13534840134918 is an abundant number, since it is smaller than the sum of its proper divisors (16801870513482).

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

13534840134918 is a wasteful number, since it uses less digits than its factorization.

13534840134918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25928812556 (or 25928812553 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 13534840134918 in words is "thirteen trillion, five hundred thirty-four billion, eight hundred forty million, one hundred thirty-four thousand, nine hundred eighteen".