135217226 has 8 divisors (see below), whose sum is σ = 209368704. Its totient is φ = 65427660.

The previous prime is 135217223. The next prime is 135217237. The reversal of 135217226 is 622712531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (135217223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090400 + ... + 1090523.

It is an arithmetic number, because the mean of its divisors is an integer number (26171088).

Almost surely, 2^135217226 is an apocalyptic number.

135217226 is a deficient number, since it is larger than the sum of its proper divisors (74151478).

135217226 is a wasteful number, since it uses less digits than its factorization.

135217226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180956.

The product of its digits is 5040, while the sum is 29.

The square root of 135217226 is about 11628.2941999246. The cubic root of 135217226 is about 513.2677856187.

Adding to 135217226 its reverse (622712531), we get a palindrome (757929757).

The spelling of 135217226 in words is "one hundred thirty-five million, two hundred seventeen thousand, two hundred twenty-six".