135566913567 has 8 divisors (see below), whose sum is σ = 185164565040. Its totient is φ = 88173602240.

The previous prime is 135566913541. The next prime is 135566913617. The reversal of 135566913567 is 765319665531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135566913567 - 2¹⁰ = 135566912543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135566913527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551084892 + ... + 551085137.

It is an arithmetic number, because the mean of its divisors is an integer number (23145570630).

Almost surely, 2^135566913567 is an apocalyptic number.

135566913567 is a deficient number, since it is larger than the sum of its proper divisors (49597651473).

135566913567 is a wasteful number, since it uses less digits than its factorization.

135566913567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102170073.

The product of its digits is 15309000, while the sum is 57.

The spelling of 135566913567 in words is "one hundred thirty-five billion, five hundred sixty-six million, nine hundred thirteen thousand, five hundred sixty-seven".