213614105 has 8 divisors (see below), whose sum is σ = 256423752. Its totient is φ = 170833408.

The previous prime is 213614101. The next prime is 213614111. The reversal of 213614105 is 501416312.

It can be written as a sum of positive squares in 4 ways, for example, as 5331481 + 208282624 = 2309^2 + 14432^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 213614105 - 2² = 213614101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213614101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15497 + ... + 25833.

It is an arithmetic number, because the mean of its divisors is an integer number (32052969).

Almost surely, 2^213614105 is an apocalyptic number.

It is an amenable number.

213614105 is a deficient number, since it is larger than the sum of its proper divisors (42809647).

213614105 is a wasteful number, since it uses less digits than its factorization.

213614105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14475.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 213614105 is about 14615.5432673575. The cubic root of 213614105 is about 597.7826536828.

The spelling of 213614105 in words is "two hundred thirteen million, six hundred fourteen thousand, one hundred five".