210133087 has 2 divisors, whose sum is σ = 210133088. Its totient is φ = 210133086.

The previous prime is 210133069. The next prime is 210133151. The reversal of 210133087 is 780331012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210133087 is a prime.

It is a super-3 number, since 3×210133087³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210133387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105066543 + 105066544.

It is an arithmetic number, because the mean of its divisors is an integer number (105066544).

Almost surely, 2^210133087 is an apocalyptic number.

210133087 is a deficient number, since it is larger than the sum of its proper divisors (1).

210133087 is an equidigital number, since it uses as much as digits as its factorization.

210133087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 210133087 is about 14495.9679566423. The cubic root of 210133087 is about 594.5177336397.

Adding to 210133087 its reverse (780331012), we get a palindrome (990464099).

The spelling of 210133087 in words is "two hundred ten million, one hundred thirty-three thousand, eighty-seven".