13540022235 has 32 divisors (see below), whose sum is σ = 24080316480. Its totient is φ = 7218595584.

The previous prime is 13540022219. The next prime is 13540022257. The reversal of 13540022235 is 53222004531.

It is a happy number.

13540022235 is a `hidden beast` number, since 1 + 3 + 5 + 400 + 22 + 235 = 666.

It is not a de Polignac number, because 13540022235 - 2⁴ = 13540022219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13540022199 and 13540022208.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 365319 + ... + 400671.

It is an arithmetic number, because the mean of its divisors is an integer number (752509890).

Almost surely, 2^13540022235 is an apocalyptic number.

13540022235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13540022235 is a deficient number, since it is larger than the sum of its proper divisors (10540294245).

13540022235 is a wasteful number, since it uses less digits than its factorization.

13540022235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38204 (or 38198 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 13540022235 its reverse (53222004531), we get a palindrome (66762026766).

The spelling of 13540022235 in words is "thirteen billion, five hundred forty million, twenty-two thousand, two hundred thirty-five".