165047135 has 16 divisors (see below), whose sum is σ = 228772512. Its totient is φ = 112972800.

The previous prime is 165047123. The next prime is 165047137. The reversal of 165047135 is 531740561.

It is not a de Polignac number, because 165047135 - 2⁴ = 165047119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165047137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87326 + ... + 89195.

It is an arithmetic number, because the mean of its divisors is an integer number (14298282).

Almost surely, 2^165047135 is an apocalyptic number.

165047135 is a deficient number, since it is larger than the sum of its proper divisors (63725377).

165047135 is a wasteful number, since it uses less digits than its factorization.

165047135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176554.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 165047135 is about 12847.0671750404. The cubic root of 165047135 is about 548.5328778177.

Adding to 165047135 its reverse (531740561), we get a palindrome (696787696).

The spelling of 165047135 in words is "one hundred sixty-five million, forty-seven thousand, one hundred thirty-five".