135675213666 has 16 divisors (see below), whose sum is σ = 271379644704. Its totient is φ = 45220201664.

The previous prime is 135675213617. The next prime is 135675213677. The reversal of 135675213666 is 666312576531.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156791 + ... + 1268666.

It is an arithmetic number, because the mean of its divisors is an integer number (16961227794).

Almost surely, 2^135675213666 is an apocalyptic number.

135675213666 is an abundant number, since it is smaller than the sum of its proper divisors (135704431038).

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

135675213666 is a wasteful number, since it uses less digits than its factorization.

135675213666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434785.

The product of its digits is 4082400, while the sum is 51.

The spelling of 135675213666 in words is "one hundred thirty-five billion, six hundred seventy-five million, two hundred thirteen thousand, six hundred sixty-six".