133279382 has 8 divisors (see below), whose sum is σ = 199996776. Its totient is φ = 66613792.

The previous prime is 133279379. The next prime is 133279387. The reversal of 133279382 is 283972331.

It is a happy number.

133279382 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133279387) 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 3 ways as a sum of consecutive naturals, for example, 5708 + ... + 17295.

It is an arithmetic number, because the mean of its divisors is an integer number (24999597).

Almost surely, 2^133279382 is an apocalyptic number.

133279382 is a deficient number, since it is larger than the sum of its proper divisors (66717394).

133279382 is a wasteful number, since it uses less digits than its factorization.

133279382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25902.

The product of its digits is 54432, while the sum is 38.

The square root of 133279382 is about 11544.6689861598. The cubic root of 133279382 is about 510.8040399404.

The spelling of 133279382 in words is "one hundred thirty-three million, two hundred seventy-nine thousand, three hundred eighty-two".