165136 has 10 divisors (see below), whose sum is σ = 319982. Its totient is φ = 82560.

The previous prime is 165133. The next prime is 165161. The reversal of 165136 is 631561.

It can be written as a sum of positive squares in only one way, i.e., 144400 + 20736 = 380^2 + 144^2 .

It is not an unprimeable number, because it can be changed into a prime (165133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5145 + ... + 5176.

2¹⁶⁵¹³⁶ is an apocalyptic number.

165136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165136 is a deficient number, since it is larger than the sum of its proper divisors (154846).

165136 is a wasteful number, since it uses less digits than its factorization.

165136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10329 (or 10323 counting only the distinct ones).

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

The square root of 165136 is about 406.3692901783. The cubic root of 165136 is about 54.8631307534.

Adding to 165136 its reverse (631561), we get a palindrome (796697).

The spelling of 165136 in words is "one hundred sixty-five thousand, one hundred thirty-six".