135559827 has 24 divisors (see below), whose sum is σ = 214030544. Its totient is φ = 82171584.

The previous prime is 135559811. The next prime is 135559871. The reversal of 135559827 is 728955531.

135559827 is a `hidden beast` number, since 1 + 3 + 55 + 598 + 2 + 7 = 666.

It is not a de Polignac number, because 135559827 - 2⁴ = 135559811 is a prime.

It is a super-3 number, since 3×135559827³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (135552827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 808 + ... + 16485.

Almost surely, 2^135559827 is an apocalyptic number.

135559827 is a deficient number, since it is larger than the sum of its proper divisors (78470717).

135559827 is a wasteful number, since it uses less digits than its factorization.

135559827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17379 (or 17376 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The square root of 135559827 is about 11643.0162329183. The cubic root of 135559827 is about 513.7009102935.

The spelling of 135559827 in words is "one hundred thirty-five million, five hundred fifty-nine thousand, eight hundred twenty-seven".