13540345005 has 16 divisors (see below), whose sum is σ = 23634057024. Its totient is φ = 6565015680.

The previous prime is 13540345001. The next prime is 13540345033. The reversal of 13540345005 is 50054304531.

It is not a de Polignac number, because 13540345005 - 2² = 13540345001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13540345001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41031184 + ... + 41031513.

It is an arithmetic number, because the mean of its divisors is an integer number (1477128564).

Almost surely, 2^13540345005 is an apocalyptic number.

13540345005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13540345005 is a deficient number, since it is larger than the sum of its proper divisors (10093712019).

13540345005 is a wasteful number, since it uses less digits than its factorization.

13540345005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82062716.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 13540345005 its reverse (50054304531), we get a palindrome (63594649536).

The spelling of 13540345005 in words is "thirteen billion, five hundred forty million, three hundred forty-five thousand, five".