134668136 has 8 divisors (see below), whose sum is σ = 252502770. Its totient is φ = 67334064.

The previous prime is 134668129. The next prime is 134668147. The reversal of 134668136 is 631866431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 132388036 + 2280100 = 11506^2 + 1510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 134668136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8416751 + ... + 8416766.

Almost surely, 2^134668136 is an apocalyptic number.

It is an amenable number.

134668136 is a deficient number, since it is larger than the sum of its proper divisors (117834634).

134668136 is a wasteful number, since it uses less digits than its factorization.

134668136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16833523 (or 16833519 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 134668136 is about 11604.6600984260. The cubic root of 134668136 is about 512.5720839318.

The spelling of 134668136 in words is "one hundred thirty-four million, six hundred sixty-eight thousand, one hundred thirty-six".