135305664646 has 32 divisors (see below), whose sum is σ = 212124096000. Its totient is φ = 64646332800.

The previous prime is 135305664607. The next prime is 135305664653. The reversal of 135305664646 is 646466503531.

135305664646 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 135305664646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28110136 + ... + 28114948.

It is an arithmetic number, because the mean of its divisors is an integer number (6628878000).

Almost surely, 2^135305664646 is an apocalyptic number.

135305664646 is a deficient number, since it is larger than the sum of its proper divisors (76818431354).

135305664646 is a wasteful number, since it uses less digits than its factorization.

135305664646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9744.

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 135305664646 in words is "one hundred thirty-five billion, three hundred five million, six hundred sixty-four thousand, six hundred forty-six".