134844784 has 20 divisors (see below), whose sum is σ = 264571360. Its totient is φ = 66568320.

The previous prime is 134844781. The next prime is 134844839. The reversal of 134844784 is 487448431.

It is a self number, because there is not a number n which added to its sum of digits gives 134844784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134844781) 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, 52077 + ... + 54604.

It is an arithmetic number, because the mean of its divisors is an integer number (13228568).

Almost surely, 2^134844784 is an apocalyptic number.

It is an amenable number.

134844784 is a deficient number, since it is larger than the sum of its proper divisors (129726576).

134844784 is a wasteful number, since it uses less digits than its factorization.

134844784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106768 (or 106762 counting only the distinct ones).

The product of its digits is 344064, while the sum is 43.

The square root of 134844784 is about 11612.2686844561. The cubic root of 134844784 is about 512.7961044386.

The spelling of 134844784 in words is "one hundred thirty-four million, eight hundred forty-four thousand, seven hundred eighty-four".