135222116 has 12 divisors (see below), whose sum is σ = 240518460. Its totient is φ = 66502560.

The previous prime is 135222103. The next prime is 135222181. The reversal of 135222116 is 611222531.

It can be written as a sum of positive squares in 2 ways, for example, as 56190016 + 79032100 = 7496^2 + 8890^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135222091 and 135222100.

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, 276851 + ... + 277338.

It is an arithmetic number, because the mean of its divisors is an integer number (20043205).

Almost surely, 2^135222116 is an apocalyptic number.

It is an amenable number.

135222116 is a deficient number, since it is larger than the sum of its proper divisors (105296344).

135222116 is a wasteful number, since it uses less digits than its factorization.

135222116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554254 (or 554252 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 135222116 is about 11628.5044610216. The cubic root of 135222116 is about 513.2739728215.

Adding to 135222116 its reverse (611222531), we get a palindrome (746444647).

The spelling of 135222116 in words is "one hundred thirty-five million, two hundred twenty-two thousand, one hundred sixteen".