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135227 = 294663
BaseRepresentation
bin100001000000111011
320212111102
4201000323
513311402
62522015
71102151
oct410073
9225442
10135227
1192664
126630b
1349721
14373d1
152a102
hex2103b

135227 has 4 divisors (see below), whose sum is σ = 139920. Its totient is φ = 130536.

The previous prime is 135221. The next prime is 135241. The reversal of 135227 is 722531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722531 = 4715373.

It is a cyclic number.

It is not a de Polignac number, because 135227 - 24 = 135211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135199 and 135208.

It is not an unprimeable number, because it can be changed into a prime (135221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2303 + ... + 2360.

It is an arithmetic number, because the mean of its divisors is an integer number (34980).

2135227 is an apocalyptic number.

135227 is a deficient number, since it is larger than the sum of its proper divisors (4693).

135227 is an equidigital number, since it uses as much as digits as its factorization.

135227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4692.

The product of its digits is 420, while the sum is 20.

The square root of 135227 is about 367.7322395439. The cubic root of 135227 is about 51.3280152284.

Adding to 135227 its reverse (722531), we get a palindrome (857758).

The spelling of 135227 in words is "one hundred thirty-five thousand, two hundred twenty-seven".

Divisors: 1 29 4663 135227