135145066665516 has 96 divisors (see below), whose sum is σ = 332021149286400. Its totient is φ = 42722424971520.

The previous prime is 135145066665481. The next prime is 135145066665559. The reversal of 135145066665516 is 615566660541531.

It is a self number, because there is not a number n which added to its sum of digits gives 135145066665516.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10835701 + ... + 19690163.

It is an arithmetic number, because the mean of its divisors is an integer number (3458553638400).

Almost surely, 2^{135145066665516} 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 135145066665516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166010574643200).

135145066665516 is an abundant number, since it is smaller than the sum of its proper divisors (196876082620884).

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

135145066665516 is a wasteful number, since it uses less digits than its factorization.

135145066665516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8855279 (or 8855277 counting only the distinct ones).

The product of its (nonzero) digits is 58320000, while the sum is 60.

The spelling of 135145066665516 in words is "one hundred thirty-five trillion, one hundred forty-five billion, sixty-six million, six hundred sixty-five thousand, five hundred sixteen".