165141133 has 4 divisors (see below), whose sum is σ = 165679360. Its totient is φ = 164602908.

The previous prime is 165141073. The next prime is 165141139. The reversal of 165141133 is 331141561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 165141133 - 2¹³ = 165132941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165141098 and 165141107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165141139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268653 + ... + 269266.

It is an arithmetic number, because the mean of its divisors is an integer number (41419840).

Almost surely, 2^165141133 is an apocalyptic number.

It is an amenable number.

165141133 is a deficient number, since it is larger than the sum of its proper divisors (538227).

165141133 is an equidigital number, since it uses as much as digits as its factorization.

165141133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538226.

The product of its digits is 1080, while the sum is 25.

The square root of 165141133 is about 12850.7249990030. The cubic root of 165141133 is about 548.6369919306.

Adding to 165141133 its reverse (331141561), we get a palindrome (496282694).

The spelling of 165141133 in words is "one hundred sixty-five million, one hundred forty-one thousand, one hundred thirty-three".