135306222 has 16 divisors (see below), whose sum is σ = 271292112. Its totient is φ = 44988800.

The previous prime is 135306221. The next prime is 135306229. The reversal of 135306222 is 222603531.

It is a junction number, because it is equal to n+sod(n) for n = 135306192 and 135306201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135306221) 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 7 ways as a sum of consecutive naturals, for example, 25713 + ... + 30524.

It is an arithmetic number, because the mean of its divisors is an integer number (16955757).

Almost surely, 2^135306222 is an apocalyptic number.

135306222 is an abundant number, since it is smaller than the sum of its proper divisors (135985890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135306222 is a wasteful number, since it uses less digits than its factorization.

135306222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56643.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 135306222 is about 11632.1202710426. The cubic root of 135306222 is about 513.3803668417.

Adding to 135306222 its reverse (222603531), we get a palindrome (357909753).

The spelling of 135306222 in words is "one hundred thirty-five million, three hundred six thousand, two hundred twenty-two".