134218668 has 12 divisors (see below), whose sum is σ = 313176920. Its totient is φ = 44739552.

The previous prime is 134218627. The next prime is 134218703. The reversal of 134218668 is 866812431.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5592433 + ... + 5592456.

Almost surely, 2^134218668 is an apocalyptic number.

It is an amenable number.

134218668 is an abundant number, since it is smaller than the sum of its proper divisors (178958252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134218668 is a wasteful number, since it uses less digits than its factorization.

134218668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11184896 (or 11184894 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 134218668 is about 11585.2780717599. The cubic root of 134218668 is about 512.0011952690.

The spelling of 134218668 in words is "one hundred thirty-four million, two hundred eighteen thousand, six hundred sixty-eight".