135530973212 has 12 divisors (see below), whose sum is σ = 243589452120. Its totient is φ = 65933986896.

The previous prime is 135530973197. The next prime is 135530973229. The reversal of 135530973212 is 212379035531.

It is a self number, because there is not a number n which added to its sum of digits gives 135530973212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457874762 + ... + 457875057.

It is an arithmetic number, because the mean of its divisors is an integer number (20299121010).

Almost surely, 2^135530973212 is an apocalyptic number.

It is an amenable number.

135530973212 is a deficient number, since it is larger than the sum of its proper divisors (108058478908).

135530973212 is a wasteful number, since it uses less digits than its factorization.

135530973212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915749860 (or 915749858 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 41.

The spelling of 135530973212 in words is "one hundred thirty-five billion, five hundred thirty million, nine hundred seventy-three thousand, two hundred twelve".