213614066 has 8 divisors (see below), whose sum is σ = 321052140. Its totient is φ = 106596688.

The previous prime is 213614047. The next prime is 213614077. The reversal of 213614066 is 660416312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 176757025 + 36857041 = 13295^2 + 6071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103901 + ... + 105936.

Almost surely, 2^213614066 is an apocalyptic number.

213614066 is a deficient number, since it is larger than the sum of its proper divisors (107438074).

213614066 is a wasteful number, since it uses less digits than its factorization.

213614066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210348.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 213614066 is about 14615.5419331614. The cubic root of 213614066 is about 597.7826173033.

The spelling of 213614066 in words is "two hundred thirteen million, six hundred fourteen thousand, sixty-six".