213696365 has 16 divisors (see below), whose sum is σ = 260366400. Its totient is φ = 168350592.

The previous prime is 213696337. The next prime is 213696367. The reversal of 213696365 is 563696312.

It is a cyclic number.

It is not a de Polignac number, because 213696365 - 2¹⁰ = 213695341 is a prime.

It is a super-2 number, since 2×213696365² = 91332272828426450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213696367) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 169106 + ... + 170364.

It is an arithmetic number, because the mean of its divisors is an integer number (16272900).

Almost surely, 2^213696365 is an apocalyptic number.

It is an amenable number.

213696365 is a deficient number, since it is larger than the sum of its proper divisors (46670035).

213696365 is a wasteful number, since it uses less digits than its factorization.

213696365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756.

The product of its digits is 174960, while the sum is 41.

The square root of 213696365 is about 14618.3571238358. The cubic root of 213696365 is about 597.8593765977.

The spelling of 213696365 in words is "two hundred thirteen million, six hundred ninety-six thousand, three hundred sixty-five".