135322289 has 4 divisors (see below), whose sum is σ = 135495024. Its totient is φ = 135149556.

The previous prime is 135322279. The next prime is 135322321. The reversal of 135322289 is 982223531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135322289 - 2¹⁶ = 135256753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135322279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85187 + ... + 86760.

It is an arithmetic number, because the mean of its divisors is an integer number (33873756).

Almost surely, 2^135322289 is an apocalyptic number.

It is an amenable number.

135322289 is a deficient number, since it is larger than the sum of its proper divisors (172735).

135322289 is an equidigital number, since it uses as much as digits as its factorization.

135322289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172734.

The product of its digits is 25920, while the sum is 35.

The square root of 135322289 is about 11632.8108812961. The cubic root of 135322289 is about 513.4006865672.

The spelling of 135322289 in words is "one hundred thirty-five million, three hundred twenty-two thousand, two hundred eighty-nine".