135235212 has 48 divisors (see below), whose sum is σ = 366024960. Its totient is φ = 38060352.

The previous prime is 135235211. The next prime is 135235223. The reversal of 135235212 is 212532531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (135235211) 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 15 ways as a sum of consecutive naturals, for example, 6387 + ... + 17642.

It is an arithmetic number, because the mean of its divisors is an integer number (7625520).

Almost surely, 2^135235212 is an apocalyptic number.

135235212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135235212 is an abundant number, since it is smaller than the sum of its proper divisors (230789748).

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

135235212 is a wasteful number, since it uses less digits than its factorization.

135235212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24110 (or 24108 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 135235212 is about 11629.0675464544. The cubic root of 135235212 is about 513.2905421500.

Adding to 135235212 its reverse (212532531), we get a palindrome (347767743).

The spelling of 135235212 in words is "one hundred thirty-five million, two hundred thirty-five thousand, two hundred twelve".