133934979 has 8 divisors (see below), whose sum is σ = 179865280. Its totient is φ = 88647336.

The previous prime is 133934953. The next prime is 133935019. The reversal of 133934979 is 979439331.

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

It is not a de Polignac number, because 133934979 - 2⁵ = 133934947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133934909) 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 7 ways as a sum of consecutive naturals, for example, 160177 + ... + 161010.

It is an arithmetic number, because the mean of its divisors is an integer number (22483160).

Almost surely, 2^133934979 is an apocalyptic number.

133934979 is a deficient number, since it is larger than the sum of its proper divisors (45930301).

133934979 is a wasteful number, since it uses less digits than its factorization.

133934979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321329.

The product of its digits is 551124, while the sum is 48.

The square root of 133934979 is about 11573.0280825720. The cubic root of 133934979 is about 511.6402132883.

The spelling of 133934979 in words is "one hundred thirty-three million, nine hundred thirty-four thousand, nine hundred seventy-nine".