135221034 has 32 divisors (see below), whose sum is σ = 298355904.
Its totient is φ = 40590720.
The previous prime is 135221033. The next prime is 135221063. The reversal of 135221034 is 430122531.
It is a self number, because there is not a number n which added to its sum of digits gives 135221034.
It is not an unprimeable number, because it can be changed into a prime (135221033) 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 15 ways as a sum of consecutive naturals, for example, 17944 + ... + 24339.
It is an arithmetic number, because the mean of its divisors is an integer number (9323622).
Almost surely, 2135221034 is an apocalyptic number.
135221034 is an abundant number, since it is smaller than the sum of its proper divisors (163134870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
135221034 is a wasteful number, since it uses less digits than its factorization.
135221034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42342.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 135221034 is about 11628.4579373191.
The cubic root of 135221034 is about 513.2726038050.
Adding to 135221034 its reverse (430122531), we get a palindrome (565343565).
The spelling of 135221034 in words is "one hundred thirty-five million, two hundred twenty-one thousand, thirty-four".