13540022199 has 24 divisors (see below), whose sum is σ = 21373777152. Its totient is φ = 8191464720.

The previous prime is 13540022143. The next prime is 13540022219. The reversal of 13540022199 is 99122004531.

13540022199 is a `hidden beast` number, since 1 + 3 + 540 + 0 + 2 + 21 + 99 = 666.

It is not a de Polignac number, because 13540022199 - 2¹⁹ = 13539497911 is a prime.

It is a super-2 number, since 2×13540022199² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13540022299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65727 + ... + 177200.

It is an arithmetic number, because the mean of its divisors is an integer number (890574048).

Almost surely, 2^13540022199 is an apocalyptic number.

13540022199 is a deficient number, since it is larger than the sum of its proper divisors (7833754953).

13540022199 is a wasteful number, since it uses less digits than its factorization.

13540022199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243507 (or 243504 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 13540022199 in words is "thirteen billion, five hundred forty million, twenty-two thousand, one hundred ninety-nine".