133466769 has 12 divisors (see below), whose sum is σ = 201167616. Its totient is φ = 85109112.

The previous prime is 133466759. The next prime is 133466783. The reversal of 133466769 is 967664331.

It is not a de Polignac number, because 133466769 - 2⁵ = 133466737 is a prime.

It is a super-2 number, since 2×133466769² = 35626756854598722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (133466759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322177 + ... + 322590.

It is an arithmetic number, because the mean of its divisors is an integer number (16763968).

Almost surely, 2^133466769 is an apocalyptic number.

It is an amenable number.

133466769 is a deficient number, since it is larger than the sum of its proper divisors (67700847).

133466769 is a wasteful number, since it uses less digits than its factorization.

133466769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644796 (or 644793 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 133466769 is about 11552.7818727785. The cubic root of 133466769 is about 511.0433197931.

The spelling of 133466769 in words is "one hundred thirty-three million, four hundred sixty-six thousand, seven hundred sixty-nine".