135323229 has 4 divisors (see below), whose sum is σ = 180430976. Its totient is φ = 90215484.

The previous prime is 135323203. The next prime is 135323261. The reversal of 135323229 is 922323531.

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 not a de Polignac number, because 135323229 - 2⁵ = 135323197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 135323196 and 135323205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135323269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22553869 + ... + 22553874.

It is an arithmetic number, because the mean of its divisors is an integer number (45107744).

Almost surely, 2^135323229 is an apocalyptic number.

It is an amenable number.

135323229 is a deficient number, since it is larger than the sum of its proper divisors (45107747).

135323229 is an equidigital number, since it uses as much as digits as its factorization.

135323229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45107746.

The product of its digits is 9720, while the sum is 30.

The square root of 135323229 is about 11632.8512841865. The cubic root of 135323229 is about 513.4018753232.

It can be divided in two parts, 13532 and 3229, that added together give a palindrome (16761).

The spelling of 135323229 in words is "one hundred thirty-five million, three hundred twenty-three thousand, two hundred twenty-nine".