135166240216 has 64 divisors (see below), whose sum is σ = 295099488000. Its totient is φ = 56840538240.

The previous prime is 135166240211. The next prime is 135166240229. The reversal of 135166240216 is 612042661531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135166240211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1749655 + ... + 1825273.

It is an arithmetic number, because the mean of its divisors is an integer number (4610929500).

Almost surely, 2^135166240216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135166240216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147549744000).

135166240216 is an abundant number, since it is smaller than the sum of its proper divisors (159933247784).

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

135166240216 is a wasteful number, since it uses less digits than its factorization.

135166240216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76232 (or 76228 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 135166240216 in words is "one hundred thirty-five billion, one hundred sixty-six million, two hundred forty thousand, two hundred sixteen".