135828212 has 24 divisors (see below), whose sum is σ = 260186472. Its totient is φ = 61660800.

The previous prime is 135828211. The next prime is 135828223. The reversal of 135828212 is 212828531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19749136 + 116079076 = 4444^2 + 10774^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135828211) by changing a digit.

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, 18239 + ... + 24582.

It is an arithmetic number, because the mean of its divisors is an integer number (10841103).

Almost surely, 2^135828212 is an apocalyptic number.

It is an amenable number.

135828212 is a deficient number, since it is larger than the sum of its proper divisors (124358260).

135828212 is a wasteful number, since it uses less digits than its factorization.

135828212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42899 (or 42897 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 135828212 is about 11654.5361126044. The cubic root of 135828212 is about 514.0396997805.

The spelling of 135828212 in words is "one hundred thirty-five million, eight hundred twenty-eight thousand, two hundred twelve".