135709227 has 24 divisors (see below), whose sum is σ = 203019648. Its totient is φ = 87264000.

The previous prime is 135709207. The next prime is 135709291. The reversal of 135709227 is 722907531.

It is not a de Polignac number, because 135709227 - 2¹¹ = 135707179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135709191 and 135709200.

It is not an unprimeable number, because it can be changed into a prime (135709207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111273 + ... + 112485.

It is an arithmetic number, because the mean of its divisors is an integer number (8459152).

Almost surely, 2^135709227 is an apocalyptic number.

135709227 is a deficient number, since it is larger than the sum of its proper divisors (67310421).

135709227 is a wasteful number, since it uses less digits than its factorization.

135709227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 135709227 is about 11649.4303294195. The cubic root of 135709227 is about 513.8895569862.

The spelling of 135709227 in words is "one hundred thirty-five million, seven hundred nine thousand, two hundred twenty-seven".