133255319 has 8 divisors (see below), whose sum is σ = 138780000. Its totient is φ = 127792672.

The previous prime is 133255313. The next prime is 133255321. The reversal of 133255319 is 913552331.

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 133255319 - 2²⁰ = 132206743 is a prime.

It is a super-3 number, since 3×133255319³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133255313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11099 + ... + 19740.

It is an arithmetic number, because the mean of its divisors is an integer number (17347500).

Almost surely, 2^133255319 is an apocalyptic number.

133255319 is a deficient number, since it is larger than the sum of its proper divisors (5524681).

133255319 is a wasteful number, since it uses less digits than its factorization.

133255319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31017.

The product of its digits is 12150, while the sum is 32.

The square root of 133255319 is about 11543.6267697808. The cubic root of 133255319 is about 510.7732969571.

The spelling of 133255319 in words is "one hundred thirty-three million, two hundred fifty-five thousand, three hundred nineteen".