135842501009212 has 48 divisors (see below), whose sum is σ = 243730051649280. Its totient is φ = 66208188758400.

The previous prime is 135842501009191. The next prime is 135842501009213. The reversal of 135842501009212 is 212900105248531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135842501009213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028895739 + ... + 1029027757.

It is an arithmetic number, because the mean of its divisors is an integer number (5077709409360).

Almost surely, 2^{135842501009212} is an apocalyptic number.

It is an amenable number.

135842501009212 is a deficient number, since it is larger than the sum of its proper divisors (107887550640068).

135842501009212 is a wasteful number, since it uses less digits than its factorization.

135842501009212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137362 (or 137360 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 135842501009212 in words is "one hundred thirty-five trillion, eight hundred forty-two billion, five hundred one million, nine thousand, two hundred twelve".