135827857927 has 4 divisors (see below), whose sum is σ = 135850734360. Its totient is φ = 135804981496.

The previous prime is 135827857909. The next prime is 135827857937. The reversal of 135827857927 is 729758728531.

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

It is a cyclic number.

It is not a de Polignac number, because 135827857927 - 2¹⁹ = 135827333639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135827857937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11429308 + ... + 11441185.

It is an arithmetic number, because the mean of its divisors is an integer number (33962683590).

Almost surely, 2^135827857927 is an apocalyptic number.

135827857927 is a deficient number, since it is larger than the sum of its proper divisors (22876433).

135827857927 is an equidigital number, since it uses as much as digits as its factorization.

135827857927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22876432.

The product of its digits is 59270400, while the sum is 64.

The spelling of 135827857927 in words is "one hundred thirty-five billion, eight hundred twenty-seven million, eight hundred fifty-seven thousand, nine hundred twenty-seven".