134555666 has 24 divisors (see below), whose sum is σ = 235244016. Its totient is φ = 57554280.

The previous prime is 134555657. The next prime is 134555669. The reversal of 134555666 is 666555431.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (134555669) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 66725 + ... + 68711.

It is an arithmetic number, because the mean of its divisors is an integer number (9801834).

Almost surely, 2^134555666 is an apocalyptic number.

134555666 is a deficient number, since it is larger than the sum of its proper divisors (100688350).

134555666 is a wasteful number, since it uses less digits than its factorization.

134555666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694 (or 2687 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The square root of 134555666 is about 11599.8131881509. The cubic root of 134555666 is about 512.4293502453.

The spelling of 134555666 in words is "one hundred thirty-four million, five hundred fifty-five thousand, six hundred sixty-six".