135500027 has 4 divisors (see below), whose sum is σ = 145923120. Its totient is φ = 125076936.

The previous prime is 135500017. The next prime is 135500041. The reversal of 135500027 is 720005531.

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 135500027 - 2⁴ = 135500011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135499975 and 135500011.

It is not an unprimeable number, because it can be changed into a prime (135500017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5211527 + ... + 5211552.

It is an arithmetic number, because the mean of its divisors is an integer number (36480780).

Almost surely, 2^135500027 is an apocalyptic number.

135500027 is a deficient number, since it is larger than the sum of its proper divisors (10423093).

135500027 is a wasteful number, since it uses less digits than its factorization.

135500027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10423092.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 135500027 is about 11640.4478865721. The cubic root of 135500027 is about 513.6253622659.

Adding to 135500027 its reverse (720005531), we get a palindrome (855505558).

The spelling of 135500027 in words is "one hundred thirty-five million, five hundred thousand, twenty-seven".