13540043514 has 32 divisors (see below), whose sum is σ = 27820906560. Its totient is φ = 4389956352.

The previous prime is 13540043509. The next prime is 13540043623. The reversal of 13540043514 is 41534004531.

It is a super-2 number, since 2×13540043514² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855517 + ... + 871199.

It is an arithmetic number, because the mean of its divisors is an integer number (869403330).

Almost surely, 2^13540043514 is an apocalyptic number.

13540043514 is an abundant number, since it is smaller than the sum of its proper divisors (14280863046).

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

13540043514 is a wasteful number, since it uses less digits than its factorization.

13540043514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19614.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 13540043514 in words is "thirteen billion, five hundred forty million, forty-three thousand, five hundred fourteen".