134066661 has 16 divisors (see below), whose sum is σ = 185991168. Its totient is φ = 85806000.

The previous prime is 134066659. The next prime is 134066683. The reversal of 134066661 is 166660431.

It is not a de Polignac number, because 134066661 - 2¹ = 134066659 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134064661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6136 + ... + 17486.

It is an arithmetic number, because the mean of its divisors is an integer number (11624448).

Almost surely, 2^134066661 is an apocalyptic number.

It is an amenable number.

134066661 is a deficient number, since it is larger than the sum of its proper divisors (51924507).

134066661 is a wasteful number, since it uses less digits than its factorization.

134066661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11512.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 134066661 is about 11578.7158614416. The cubic root of 134066661 is about 511.8078362622.

The spelling of 134066661 in words is "one hundred thirty-four million, sixty-six thousand, six hundred sixty-one".