13540321189 has 2 divisors, whose sum is σ = 13540321190. Its totient is φ = 13540321188.

The previous prime is 13540321169. The next prime is 13540321297. The reversal of 13540321189 is 98112304531.

13540321189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13274957089 + 265364100 = 115217^2 + 16290^2 .

It is a cyclic number.

It is not a de Polignac number, because 13540321189 - 2¹⁹ = 13539796901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13540321129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6770160594 + 6770160595.

It is an arithmetic number, because the mean of its divisors is an integer number (6770160595).

Almost surely, 2^13540321189 is an apocalyptic number.

It is an amenable number.

13540321189 is a deficient number, since it is larger than the sum of its proper divisors (1).

13540321189 is an equidigital number, since it uses as much as digits as its factorization.

13540321189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 13540321189 in words is "thirteen billion, five hundred forty million, three hundred twenty-one thousand, one hundred eighty-nine".