133799333 has 4 divisors (see below), whose sum is σ = 141669900. Its totient is φ = 125928768.

The previous prime is 133799321. The next prime is 133799357. The reversal of 133799333 is 333997331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 333997331 = 89 ⋅3752779.

It can be written as a sum of positive squares in 2 ways, for example, as 103571329 + 30228004 = 10177^2 + 5498^2 .

It is a cyclic number.

It is not a de Polignac number, because 133799333 - 2¹⁰ = 133798309 is a prime.

It is a super-2 number, since 2×133799333² = 35804523022489778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133799233) 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, 3935258 + ... + 3935291.

It is an arithmetic number, because the mean of its divisors is an integer number (35417475).

Almost surely, 2^133799333 is an apocalyptic number.

It is an amenable number.

133799333 is a deficient number, since it is larger than the sum of its proper divisors (7870567).

133799333 is an equidigital number, since it uses as much as digits as its factorization.

133799333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7870566.

The product of its digits is 137781, while the sum is 41.

The square root of 133799333 is about 11567.1661611650. The cubic root of 133799333 is about 511.4674294704.

The spelling of 133799333 in words is "one hundred thirty-three million, seven hundred ninety-nine thousand, three hundred thirty-three".