290133 has 6 divisors (see below), whose sum is σ = 419094. Its totient is φ = 193416.

The previous prime is 290119. The next prime is 290137. The reversal of 290133 is 331092.

290133 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 288369 + 1764 = 537^2 + 42^2 .

It is not a de Polignac number, because 290133 - 2¹⁰ = 289109 is a prime.

It is an Ulam number.

290133 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16110 + ... + 16127.

It is an arithmetic number, because the mean of its divisors is an integer number (69849).

2²⁹⁰¹³³ is an apocalyptic number.

It is an amenable number.

290133 is a deficient number, since it is larger than the sum of its proper divisors (128961).

290133 is a wasteful number, since it uses less digits than its factorization.

290133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32243 (or 32240 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 290133 is about 538.6399539581. The cubic root of 290133 is about 66.2011767969.

The spelling of 290133 in words is "two hundred ninety thousand, one hundred thirty-three".