134441563 has 4 divisors (see below), whose sum is σ = 135004320. Its totient is φ = 133878808.

The previous prime is 134441557. The next prime is 134441569. The reversal of 134441563 is 365144431.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (134441557) and next prime (134441569).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134441563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134441569) 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, 281020 + ... + 281497.

It is an arithmetic number, because the mean of its divisors is an integer number (33751080).

Almost surely, 2^134441563 is an apocalyptic number.

134441563 is a deficient number, since it is larger than the sum of its proper divisors (562757).

134441563 is an equidigital number, since it uses as much as digits as its factorization.

134441563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562756.

The product of its digits is 17280, while the sum is 31.

The square root of 134441563 is about 11594.8938330629. The cubic root of 134441563 is about 512.2844628464.

Adding to 134441563 its reverse (365144431), we get a palindrome (499585994).

The spelling of 134441563 in words is "one hundred thirty-four million, four hundred forty-one thousand, five hundred sixty-three".