134023565 has 16 divisors (see below), whose sum is σ = 174182400. Its totient is φ = 98409792.

The previous prime is 134023559. The next prime is 134023577. The reversal of 134023565 is 565320431.

It is not a de Polignac number, because 134023565 - 2⁶ = 134023501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5876 + ... + 17394.

It is an arithmetic number, because the mean of its divisors is an integer number (10886400).

Almost surely, 2^134023565 is an apocalyptic number.

It is an amenable number.

134023565 is a deficient number, since it is larger than the sum of its proper divisors (40158835).

134023565 is a wasteful number, since it uses less digits than its factorization.

134023565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11716.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 134023565 is about 11576.8547110172. The cubic root of 134023565 is about 511.7529898294.

Adding to 134023565 its reverse (565320431), we get a palindrome (699343996).

The spelling of 134023565 in words is "one hundred thirty-four million, twenty-three thousand, five hundred sixty-five".