213330149 has 2 divisors, whose sum is σ = 213330150. Its totient is φ = 213330148.

The previous prime is 213330109. The next prime is 213330167. The reversal of 213330149 is 941033312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203205025 + 10125124 = 14255^2 + 3182^2 .

It is a cyclic number.

It is not a de Polignac number, because 213330149 - 2¹⁶ = 213264613 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213330109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106665074 + 106665075.

It is an arithmetic number, because the mean of its divisors is an integer number (106665075).

Almost surely, 2^213330149 is an apocalyptic number.

It is an amenable number.

213330149 is a deficient number, since it is larger than the sum of its proper divisors (1).

213330149 is an equidigital number, since it uses as much as digits as its factorization.

213330149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 213330149 is about 14605.8258581978. The cubic root of 213330149 is about 597.5176598831.

The spelling of 213330149 in words is "two hundred thirteen million, three hundred thirty thousand, one hundred forty-nine".