135097089 has 4 divisors (see below), whose sum is σ = 180129456. Its totient is φ = 90064724.

The previous prime is 135097073. The next prime is 135097111. The reversal of 135097089 is 980790531.

It is a happy number.

135097089 is nontrivially palindromic in base 2.

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 135097089 - 2⁴ = 135097073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135097089.

It is not an unprimeable number, because it can be changed into a prime (135097069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22516179 + ... + 22516184.

It is an arithmetic number, because the mean of its divisors is an integer number (45032364).

Almost surely, 2^135097089 is an apocalyptic number.

It is an amenable number.

135097089 is a deficient number, since it is larger than the sum of its proper divisors (45032367).

135097089 is an equidigital number, since it uses as much as digits as its factorization.

135097089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45032366.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 135097089 is about 11623.1273330374. The cubic root of 135097089 is about 513.1157322040.

The spelling of 135097089 in words is "one hundred thirty-five million, ninety-seven thousand, eighty-nine".