133489466 has 16 divisors (see below), whose sum is σ = 220445280. Its totient is φ = 60119280.

The previous prime is 133489463. The next prime is 133489469. The reversal of 133489466 is 664984331.

It is an interprime number because it is at equal distance from previous prime (133489463) and next prime (133489469).

It is not an unprimeable number, because it can be changed into a prime (133489463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25436 + ... + 30231.

It is an arithmetic number, because the mean of its divisors is an integer number (13777830).

Almost surely, 2^133489466 is an apocalyptic number.

133489466 is a deficient number, since it is larger than the sum of its proper divisors (86955814).

133489466 is a wasteful number, since it uses less digits than its factorization.

133489466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55789.

The product of its digits is 373248, while the sum is 44.

The square root of 133489466 is about 11553.7641485362. The cubic root of 133489466 is about 511.0722870356.

The spelling of 133489466 in words is "one hundred thirty-three million, four hundred eighty-nine thousand, four hundred sixty-six".