134523165 has 32 divisors (see below), whose sum is σ = 251228160. Its totient is φ = 60185664.

The previous prime is 134523149. The next prime is 134523197. The reversal of 134523165 is 561325431.

It is not a de Polignac number, because 134523165 - 2⁴ = 134523149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8695 + ... + 18564.

It is an arithmetic number, because the mean of its divisors is an integer number (7850880).

Almost surely, 2^134523165 is an apocalyptic number.

134523165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134523165 is a deficient number, since it is larger than the sum of its proper divisors (116704995).

134523165 is a wasteful number, since it uses less digits than its factorization.

134523165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27321.

The product of its digits is 10800, while the sum is 30.

The square root of 134523165 is about 11598.4121758110. The cubic root of 134523165 is about 512.3880889891.

Adding to 134523165 its reverse (561325431), we get a palindrome (695848596).

The spelling of 134523165 in words is "one hundred thirty-four million, five hundred twenty-three thousand, one hundred sixty-five".