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135234 = 23211683
BaseRepresentation
bin100001000001000010
320212111200
4201001002
513311414
62522030
71102161
oct410102
9225450
10135234
1192670
1266316
1349728
14373d8
152a109
hex21042

135234 has 24 divisors (see below), whose sum is σ = 320112. Its totient is φ = 40920.

The previous prime is 135221. The next prime is 135241. The reversal of 135234 is 432531.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 1 + 35 + 217 + 55 + 36 + 43 .

It is an unprimeable number.

135234 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144 + ... + 539.

It is an arithmetic number, because the mean of its divisors is an integer number (13338).

135234 is a Friedman number, since it can be written as 33*(4^(5+1)+2), using all its digits and the basic arithmetic operations.

2135234 is an apocalyptic number.

135234 is an abundant number, since it is smaller than the sum of its proper divisors (184878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135234 is a wasteful number, since it uses less digits than its factorization.

135234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 699 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 135234 is about 367.7417572156. The cubic root of 135234 is about 51.3289008748.

Adding to 135234 its reverse (432531), we get a palindrome (567765).

The spelling of 135234 in words is "one hundred thirty-five thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 683 1366 2049 4098 6147 7513 12294 15026 22539 45078 67617 135234