135051212 has 12 divisors (see below), whose sum is σ = 242104296. Its totient is φ = 65878560.

The previous prime is 135051197. The next prime is 135051223. The reversal of 135051212 is 212150531.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 411578 + ... + 411905.

It is an arithmetic number, because the mean of its divisors is an integer number (20175358).

Almost surely, 2^135051212 is an apocalyptic number.

It is an amenable number.

135051212 is a deficient number, since it is larger than the sum of its proper divisors (107053084).

135051212 is a wasteful number, since it uses less digits than its factorization.

135051212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823528 (or 823526 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 135051212 is about 11621.1536432490. The cubic root of 135051212 is about 513.0576434231.

The spelling of 135051212 in words is "one hundred thirty-five million, fifty-one thousand, two hundred twelve".