135312059666 has 32 divisors (see below), whose sum is σ = 234099790848. Its totient is φ = 57458203920.

The previous prime is 135312059633. The next prime is 135312059683. The reversal of 135312059666 is 666950213531.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 135312059666.

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 15 ways as a sum of consecutive naturals, for example, 1121891 + ... + 1236633.

It is an arithmetic number, because the mean of its divisors is an integer number (7315618464).

Almost surely, 2^135312059666 is an apocalyptic number.

135312059666 is a deficient number, since it is larger than the sum of its proper divisors (98787731182).

135312059666 is a wasteful number, since it uses less digits than its factorization.

135312059666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115526.

The product of its (nonzero) digits is 874800, while the sum is 47.

The spelling of 135312059666 in words is "one hundred thirty-five billion, three hundred twelve million, fifty-nine thousand, six hundred sixty-six".