165132535 has 4 divisors (see below), whose sum is σ = 198159048. Its totient is φ = 132106024.

The previous prime is 165132533. The next prime is 165132557. The reversal of 165132535 is 535231561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 535231561 = 1663 ⋅321847.

It is a cyclic number.

It is not a de Polignac number, because 165132535 - 2¹ = 165132533 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165132497 and 165132506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165132533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16513249 + ... + 16513258.

It is an arithmetic number, because the mean of its divisors is an integer number (49539762).

Almost surely, 2^165132535 is an apocalyptic number.

165132535 is a deficient number, since it is larger than the sum of its proper divisors (33026513).

165132535 is an equidigital number, since it uses as much as digits as its factorization.

165132535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33026512.

The product of its digits is 13500, while the sum is 31.

The square root of 165132535 is about 12850.3904609938. The cubic root of 165132535 is about 548.6274702513.

The spelling of 165132535 in words is "one hundred sixty-five million, one hundred thirty-two thousand, five hundred thirty-five".