13540534671 has 32 divisors (see below), whose sum is σ = 19023206400. Its totient is φ = 8556387840.

The previous prime is 13540534669. The next prime is 13540534687. The reversal of 13540534671 is 17643504531.

It is not a de Polignac number, because 13540534671 - 2¹ = 13540534669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13540524671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 877995 + ... + 893283.

It is an arithmetic number, because the mean of its divisors is an integer number (594475200).

Almost surely, 2^13540534671 is an apocalyptic number.

13540534671 is a deficient number, since it is larger than the sum of its proper divisors (5482671729).

13540534671 is a wasteful number, since it uses less digits than its factorization.

13540534671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15519.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 13540534671 in words is "thirteen billion, five hundred forty million, five hundred thirty-four thousand, six hundred seventy-one".