135136222 has 16 divisors (see below), whose sum is σ = 218669472. Its totient is φ = 62264160.

The previous prime is 135136219. The next prime is 135136249. The reversal of 135136222 is 222631531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12288 + ... + 20524.

It is an arithmetic number, because the mean of its divisors is an integer number (13666842).

Almost surely, 2^135136222 is an apocalyptic number.

135136222 is a deficient number, since it is larger than the sum of its proper divisors (83533250).

135136222 is a wasteful number, since it uses less digits than its factorization.

135136222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8883.

The product of its digits is 2160, while the sum is 25.

The square root of 135136222 is about 11624.8106221134. The cubic root of 135136222 is about 513.1652714393.

Adding to 135136222 its reverse (222631531), we get a palindrome (357767753).

It can be divided in two parts, 1351 and 36222, that added together give a palindrome (37573).

The spelling of 135136222 in words is "one hundred thirty-five million, one hundred thirty-six thousand, two hundred twenty-two".