135122255 has 4 divisors (see below), whose sum is σ = 162146712. Its totient is φ = 108097800.

The previous prime is 135122249. The next prime is 135122269. The reversal of 135122255 is 552221531.

135122255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 135122255 - 2⁶ = 135122191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13512221 + ... + 13512230.

It is an arithmetic number, because the mean of its divisors is an integer number (40536678).

Almost surely, 2^135122255 is an apocalyptic number.

135122255 is a deficient number, since it is larger than the sum of its proper divisors (27024457).

135122255 is an equidigital number, since it uses as much as digits as its factorization.

135122255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27024456.

The product of its digits is 3000, while the sum is 26.

The square root of 135122255 is about 11624.2098656210. The cubic root of 135122255 is about 513.1475914367.

Adding to 135122255 its reverse (552221531), we get a palindrome (687343786).

The spelling of 135122255 in words is "one hundred thirty-five million, one hundred twenty-two thousand, two hundred fifty-five".