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136165 = 5113241
BaseRepresentation
bin100001001111100101
320220210011
4201033211
513324130
62530221
71104661
oct411745
9226704
10136165
1193337
1266971
1349c93
14378a1
152a52a
hex213e5

136165 has 8 divisors (see below), whose sum is σ = 165528. Its totient is φ = 107520.

The previous prime is 136163. The next prime is 136177. The reversal of 136165 is 561631.

136165 = T160 + T161 + ... + T169.

136165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2209 + 133956 = 47^2 + 366^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136165 - 21 = 136163 is a prime.

It is a Duffinian number.

136165 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445 + ... + 685.

It is an arithmetic number, because the mean of its divisors is an integer number (20691).

2136165 is an apocalyptic number.

It is an amenable number.

136165 is a deficient number, since it is larger than the sum of its proper divisors (29363).

136165 is a wasteful number, since it uses less digits than its factorization.

136165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

The product of its digits is 540, while the sum is 22.

The square root of 136165 is about 369.0054200144. The cubic root of 136165 is about 51.4464205387.

Adding to 136165 its reverse (561631), we get a palindrome (697796).

The spelling of 136165 in words is "one hundred thirty-six thousand, one hundred sixty-five".

Divisors: 1 5 113 241 565 1205 27233 136165