135122205 has 48 divisors (see below), whose sum is σ = 242412480. Its totient is φ = 63871488.

The previous prime is 135122191. The next prime is 135122219. The reversal of 135122205 is 502221531.

It is an interprime number because it is at equal distance from previous prime (135122191) and next prime (135122219).

It is not a de Polignac number, because 135122205 - 2⁴ = 135122189 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 809032 + ... + 809198.

It is an arithmetic number, because the mean of its divisors is an integer number (5050260).

Almost surely, 2^135122205 is an apocalyptic number.

135122205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135122205 is a deficient number, since it is larger than the sum of its proper divisors (107290275).

135122205 is a wasteful number, since it uses less digits than its factorization.

135122205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 135122205 is about 11624.2077149370. The cubic root of 135122205 is about 513.1475281424.

Adding to 135122205 its reverse (502221531), we get a palindrome (637343736).

The spelling of 135122205 in words is "one hundred thirty-five million, one hundred twenty-two thousand, two hundred five".