133210243 has 2 divisors, whose sum is σ = 133210244. Its totient is φ = 133210242.

The previous prime is 133210229. The next prime is 133210277. The reversal of 133210243 is 342012331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133210243 - 2⁵ = 133210211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133210243.

It is not a weakly prime, because it can be changed into another prime (133210943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66605121 + 66605122.

It is an arithmetic number, because the mean of its divisors is an integer number (66605122).

Almost surely, 2^133210243 is an apocalyptic number.

133210243 is a deficient number, since it is larger than the sum of its proper divisors (1).

133210243 is an equidigital number, since it uses as much as digits as its factorization.

133210243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133210243 is about 11541.6741853164. The cubic root of 133210243 is about 510.7156977212.

Adding to 133210243 its reverse (342012331), we get a palindrome (475222574).

The spelling of 133210243 in words is "one hundred thirty-three million, two hundred ten thousand, two hundred forty-three".