133466879 has 16 divisors (see below), whose sum is σ = 167372352. Its totient is φ = 103603968.

The previous prime is 133466869. The next prime is 133466911. The reversal of 133466879 is 978664331.

It is a happy number.

It is not a de Polignac number, because 133466879 - 2¹⁶ = 133401343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133466869) 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, 9014 + ... + 18659.

It is an arithmetic number, because the mean of its divisors is an integer number (10460772).

Almost surely, 2^133466879 is an apocalyptic number.

133466879 is a deficient number, since it is larger than the sum of its proper divisors (33905473).

133466879 is a wasteful number, since it uses less digits than its factorization.

133466879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27746.

The product of its digits is 653184, while the sum is 47.

The square root of 133466879 is about 11552.7866335357. The cubic root of 133466879 is about 511.0434601895.

The spelling of 133466879 in words is "one hundred thirty-three million, four hundred sixty-six thousand, eight hundred seventy-nine".