13540255305 has 16 divisors (see below), whose sum is σ = 21666410304. Its totient is φ = 7220802240.

The previous prime is 13540255303. The next prime is 13540255307. The reversal of 13540255305 is 50355204531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13540255303) and next prime (13540255307).

It is not a de Polignac number, because 13540255305 - 2¹ = 13540255303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13540255303) 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, 156402 + ... + 227028.

It is an arithmetic number, because the mean of its divisors is an integer number (1354150644).

Almost surely, 2^13540255305 is an apocalyptic number.

13540255305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13540255305 is a deficient number, since it is larger than the sum of its proper divisors (8126154999).

13540255305 is a wasteful number, since it uses less digits than its factorization.

13540255305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83416.

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 13540255305 its reverse (50355204531), we get a palindrome (63895459836).

The spelling of 13540255305 in words is "thirteen billion, five hundred forty million, two hundred fifty-five thousand, three hundred five".