135221334 has 8 divisors (see below), whose sum is σ = 270442680. Its totient is φ = 45073776.

The previous prime is 135221297. The next prime is 135221341. The reversal of 135221334 is 433122531.

135221334 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

135221334 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11268439 + ... + 11268450.

It is an arithmetic number, because the mean of its divisors is an integer number (33805335).

Almost surely, 2^135221334 is an apocalyptic number.

135221334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

135221334 is a wasteful number, since it uses less digits than its factorization.

135221334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22536894.

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

The square root of 135221334 is about 11628.4708367008. The cubic root of 135221334 is about 513.2729833852.

Adding to 135221334 its reverse (433122531), we get a palindrome (568343865).

The spelling of 135221334 in words is "one hundred thirty-five million, two hundred twenty-one thousand, three hundred thirty-four".