134705686 has 16 divisors (see below), whose sum is σ = 204028560. Its totient is φ = 66699360.

The previous prime is 134705677. The next prime is 134705689. The reversal of 134705686 is 686507431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134705689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131685 + ... + 132703.

It is an arithmetic number, because the mean of its divisors is an integer number (12751785).

Almost surely, 2^134705686 is an apocalyptic number.

134705686 is a deficient number, since it is larger than the sum of its proper divisors (69322874).

134705686 is a wasteful number, since it uses less digits than its factorization.

134705686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 134705686 is about 11606.2778701873. The cubic root of 134705686 is about 512.6197202762.

The spelling of 134705686 in words is "one hundred thirty-four million, seven hundred five thousand, six hundred eighty-six".