135505226 has 16 divisors (see below), whose sum is σ = 221335200. Its totient is φ = 61972848.

The previous prime is 135505199. The next prime is 135505267. The reversal of 135505226 is 622505531.

It is a happy number.

It is a super-2 number, since 2×135505226² = 36723332546622152, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60380 + ... + 62583.

It is an arithmetic number, because the mean of its divisors is an integer number (13833450).

Almost surely, 2^135505226 is an apocalyptic number.

135505226 is a deficient number, since it is larger than the sum of its proper divisors (85829974).

135505226 is a wasteful number, since it uses less digits than its factorization.

135505226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123013.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 135505226 is about 11640.6712005795. The cubic root of 135505226 is about 513.6319312784.

The spelling of 135505226 in words is "one hundred thirty-five million, five hundred five thousand, two hundred twenty-six".