13540145541 has 64 divisors (see below), whose sum is σ = 21058867200. Its totient is φ = 7667571456.

The previous prime is 13540145537. The next prime is 13540145557. The reversal of 13540145541 is 14554104531.

It is not a de Polignac number, because 13540145541 - 2² = 13540145537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13540146541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4839555 + ... + 4842351.

It is an arithmetic number, because the mean of its divisors is an integer number (329044800).

Almost surely, 2^13540145541 is an apocalyptic number.

It is an amenable number.

13540145541 is a deficient number, since it is larger than the sum of its proper divisors (7518721659).

13540145541 is a wasteful number, since it uses less digits than its factorization.

13540145541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 13540145541 in words is "thirteen billion, five hundred forty million, one hundred forty-five thousand, five hundred forty-one".