135244226 has 16 divisors (see below), whose sum is σ = 226006200. Its totient is φ = 60267648.

The previous prime is 135244217. The next prime is 135244229. The reversal of 135244226 is 622442531.

It can be written as a sum of positive squares in 4 ways, for example, as 86955625 + 48288601 = 9325^2 + 6949^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (135244229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88931 + ... + 90438.

Almost surely, 2^135244226 is an apocalyptic number.

135244226 is a deficient number, since it is larger than the sum of its proper divisors (90761974).

135244226 is a wasteful number, since it uses less digits than its factorization.

135244226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179413.

The product of its digits is 11520, while the sum is 29.

The square root of 135244226 is about 11629.4551033142. The cubic root of 135244226 is about 513.3019462266.

Adding to 135244226 its reverse (622442531), we get a palindrome (757686757).

The spelling of 135244226 in words is "one hundred thirty-five million, two hundred forty-four thousand, two hundred twenty-six".