135230212 has 12 divisors (see below), whose sum is σ = 254857036. Its totient is φ = 62413920.

The previous prime is 135230209. The next prime is 135230231. The reversal of 135230212 is 212032531.

It can be written as a sum of positive squares in 2 ways, for example, as 61716736 + 73513476 = 7856^2 + 8574^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135230212.

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, 1300239 + ... + 1300342.

Almost surely, 2^135230212 is an apocalyptic number.

It is an amenable number.

135230212 is a deficient number, since it is larger than the sum of its proper divisors (119626824).

135230212 is a wasteful number, since it uses less digits than its factorization.

135230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600598 (or 2600596 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 135230212 is about 11628.8525659241. The cubic root of 135230212 is about 513.2842161734.

Adding to 135230212 its reverse (212032531), we get a palindrome (347262743).

The spelling of 135230212 in words is "one hundred thirty-five million, two hundred thirty thousand, two hundred twelve".