133333339 has 4 divisors (see below), whose sum is σ = 133385824. Its totient is φ = 133280856.

The previous prime is 133333327. The next prime is 133333357. The reversal of 133333339 is 933333331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133333339 - 2⁵ = 133333307 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 133333339.

It is not an unprimeable number, because it can be changed into a prime (133333309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22227 + ... + 27580.

It is an arithmetic number, because the mean of its divisors is an integer number (33346456).

Almost surely, 2^133333339 is an apocalyptic number.

133333339 is a deficient number, since it is larger than the sum of its proper divisors (52485).

133333339 is an equidigital number, since it uses as much as digits as its factorization.

133333339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52484.

The product of its digits is 19683, while the sum is 31.

The square root of 133333339 is about 11547.0056291664. The cubic root of 133333339 is about 510.8729621664.

The spelling of 133333339 in words is "one hundred thirty-three million, three hundred thirty-three thousand, three hundred thirty-nine".