133333333333 has 8 divisors (see below), whose sum is σ = 134712927360. Its totient is φ = 131956211520.

The previous prime is 133333333307. The next prime is 133333333421. The reversal of 133333333333 is 333333333331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133333333333 - 2²⁵ = 133299778901 is a prime.

It is a Duffinian number.

133333333333 is a modest number, since divided by 333333 gives 133333 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133333334333) 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, 509533 + ... + 725458.

It is an arithmetic number, because the mean of its divisors is an integer number (16839115920).

Almost surely, 2^133333333333 is an apocalyptic number.

It is an amenable number.

133333333333 is a deficient number, since it is larger than the sum of its proper divisors (1379594027).

133333333333 is a wasteful number, since it uses less digits than its factorization.

133333333333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236107.

The product of its digits is 177147, while the sum is 34.

Adding to 133333333333 its reverse (333333333331), we get a palindrome (466666666664).

The spelling of 133333333333 in words is "one hundred thirty-three billion, three hundred thirty-three million, three hundred thirty-three thousand, three hundred thirty-three".