134440863 has 8 divisors (see below), whose sum is σ = 179308800. Its totient is φ = 89600088.

The previous prime is 134440783. The next prime is 134440909. The reversal of 134440863 is 368044431.

It is a happy number.

134440863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134440863 - 2²² = 130246559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134440963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13018 + ... + 20936.

It is an arithmetic number, because the mean of its divisors is an integer number (22413600).

Almost surely, 2^134440863 is an apocalyptic number.

134440863 is a deficient number, since it is larger than the sum of its proper divisors (44867937).

134440863 is an equidigital number, since it uses as much as digits as its factorization.

134440863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13581.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 134440863 is about 11594.8636473225. The cubic root of 134440863 is about 512.2835737371.

The spelling of 134440863 in words is "one hundred thirty-four million, four hundred forty thousand, eight hundred sixty-three".