134436563 has 4 divisors (see below), whose sum is σ = 134565528. Its totient is φ = 134307600.

The previous prime is 134436559. The next prime is 134436611. The reversal of 134436563 is 365634431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134436563 - 2² = 134436559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134406563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62906 + ... + 65007.

It is an arithmetic number, because the mean of its divisors is an integer number (33641382).

Almost surely, 2^134436563 is an apocalyptic number.

134436563 is a deficient number, since it is larger than the sum of its proper divisors (128965).

134436563 is a wasteful number, since it uses less digits than its factorization.

134436563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128964.

The product of its digits is 77760, while the sum is 35.

The square root of 134436563 is about 11594.6782189072. The cubic root of 134436563 is about 512.2781119977.

The spelling of 134436563 in words is "one hundred thirty-four million, four hundred thirty-six thousand, five hundred sixty-three".