133340879 has 16 divisors (see below), whose sum is σ = 161049600. Its totient is φ = 107845344.

The previous prime is 133340863. The next prime is 133340881. The reversal of 133340879 is 978043331.

It is a cyclic number.

It is not a de Polignac number, because 133340879 - 2⁴ = 133340863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133340819) 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, 33914 + ... + 37640.

It is an arithmetic number, because the mean of its divisors is an integer number (10065600).

Almost surely, 2^133340879 is an apocalyptic number.

133340879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

133340879 is a deficient number, since it is larger than the sum of its proper divisors (27708721).

133340879 is a wasteful number, since it uses less digits than its factorization.

133340879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022.

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

The square root of 133340879 is about 11547.3321161210. The cubic root of 133340879 is about 510.8825919398.

The spelling of 133340879 in words is "one hundred thirty-three million, three hundred forty thousand, eight hundred seventy-nine".