135589589 has 2 divisors, whose sum is σ = 135589590. Its totient is φ = 135589588.

The previous prime is 135589579. The next prime is 135589609. The reversal of 135589589 is 985985531.

135589589 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., 133587364 + 2002225 = 11558^2 + 1415^2 .

It is an emirp because it is prime and its reverse (985985531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135589589 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135589589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135589549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67794794 + 67794795.

It is an arithmetic number, because the mean of its divisors is an integer number (67794795).

Almost surely, 2^135589589 is an apocalyptic number.

It is an amenable number.

135589589 is a deficient number, since it is larger than the sum of its proper divisors (1).

135589589 is an equidigital number, since it uses as much as digits as its factorization.

135589589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944000, while the sum is 53.

The square root of 135589589 is about 11644.2942680095. The cubic root of 135589589 is about 513.7385016854.

The spelling of 135589589 in words is "one hundred thirty-five million, five hundred eighty-nine thousand, five hundred eighty-nine".