135150242260666 has 4 divisors (see below), whose sum is σ = 202725363391002. Its totient is φ = 67575121130332.

The previous prime is 135150242260613. The next prime is 135150242260673. The reversal of 135150242260666 is 666062242051531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 134724654339025 + 425587921641 = 11607095^2 + 652371^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33787560565165 + ... + 33787560565168.

Almost surely, 2^{135150242260666} is an apocalyptic number.

135150242260666 is a deficient number, since it is larger than the sum of its proper divisors (67575121130336).

135150242260666 is an equidigital number, since it uses as much as digits as its factorization.

135150242260666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67575121130335.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 135150242260666 in words is "one hundred thirty-five trillion, one hundred fifty billion, two hundred forty-two million, two hundred sixty thousand, six hundred sixty-six".