239530133 has 8 divisors (see below), whose sum is σ = 243809280. Its totient is φ = 235282320.

The previous prime is 239530129. The next prime is 239530139. The reversal of 239530133 is 331035932.

239530133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 239530133 - 2² = 239530129 is a prime.

It is a super-2 number, since 2×239530133² = 114749369229995378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 239530096 and 239530105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239530139) 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, 7868 + ... + 23258.

It is an arithmetic number, because the mean of its divisors is an integer number (30476160).

Almost surely, 2^239530133 is an apocalyptic number.

It is an amenable number.

239530133 is a deficient number, since it is larger than the sum of its proper divisors (4279147).

239530133 is a wasteful number, since it uses less digits than its factorization.

239530133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15667.

The product of its (nonzero) digits is 7290, while the sum is 29.

The square root of 239530133 is about 15476.7610629615. The cubic root of 239530133 is about 621.0406845713.

The spelling of 239530133 in words is "two hundred thirty-nine million, five hundred thirty thousand, one hundred thirty-three".