235489133 has 4 divisors (see below), whose sum is σ = 256897248. Its totient is φ = 214081020.

The previous prime is 235489109. The next prime is 235489141. The reversal of 235489133 is 331984532.

235489133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 235489133 - 2²⁶ = 168380269 is a prime.

It is a super-2 number, since 2×235489133² = 110910263522183378, 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 (235489153) 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, 10704041 + ... + 10704062.

It is an arithmetic number, because the mean of its divisors is an integer number (64224312).

Almost surely, 2^235489133 is an apocalyptic number.

It is an amenable number.

235489133 is a deficient number, since it is larger than the sum of its proper divisors (21408115).

235489133 is a wasteful number, since it uses less digits than its factorization.

235489133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21408114.

The product of its digits is 77760, while the sum is 38.

The square root of 235489133 is about 15345.6551831455. The cubic root of 235489133 is about 617.5284304524.

The spelling of 235489133 in words is "two hundred thirty-five million, four hundred eighty-nine thousand, one hundred thirty-three".