211489133 has 8 divisors (see below), whose sum is σ = 226821600. Its totient is φ = 196576848.

The previous prime is 211489123. The next prime is 211489139. The reversal of 211489133 is 331984112.

211489133 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 211489133 - 2⁸ = 211488877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 211489133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211489139) 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, 104003 + ... + 106016.

It is an arithmetic number, because the mean of its divisors is an integer number (28352700).

Almost surely, 2^211489133 is an apocalyptic number.

It is an amenable number.

211489133 is a deficient number, since it is larger than the sum of its proper divisors (15332467).

211489133 is a wasteful number, since it uses less digits than its factorization.

211489133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210091.

The product of its digits is 5184, while the sum is 32.

The square root of 211489133 is about 14542.6659522936. The cubic root of 211489133 is about 595.7938540922.

The spelling of 211489133 in words is "two hundred eleven million, four hundred eighty-nine thousand, one hundred thirty-three".