135205412 has 12 divisors (see below), whose sum is σ = 236703600. Its totient is φ = 67575816.

The previous prime is 135205393. The next prime is 135205429. The reversal of 135205412 is 214502531.

135205412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8339 + ... + 18437.

It is an arithmetic number, because the mean of its divisors is an integer number (19725300).

Almost surely, 2^135205412 is an apocalyptic number.

It is an amenable number.

135205412 is a deficient number, since it is larger than the sum of its proper divisors (101498188).

135205412 is a wasteful number, since it uses less digits than its factorization.

135205412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13450 (or 13448 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 135205412 is about 11627.7862037449. The cubic root of 135205412 is about 513.2528370247.

Adding to 135205412 its reverse (214502531), we get a palindrome (349707943).

The spelling of 135205412 in words is "one hundred thirty-five million, two hundred five thousand, four hundred twelve".