213995636 has 12 divisors (see below), whose sum is σ = 376454400. Its totient is φ = 106437240.

The previous prime is 213995629. The next prime is 213995641. The reversal of 213995636 is 636599312.

It is a super-3 number, since 3×213995636³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139286 + ... + 140813.

It is an arithmetic number, because the mean of its divisors is an integer number (31371200).

Almost surely, 2^213995636 is an apocalyptic number.

It is an amenable number.

213995636 is a deficient number, since it is larger than the sum of its proper divisors (162458764).

213995636 is a wasteful number, since it uses less digits than its factorization.

213995636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280294 (or 280292 counting only the distinct ones).

The product of its digits is 262440, while the sum is 44.

The square root of 213995636 is about 14628.5896791181. The cubic root of 213995636 is about 598.1383370668.

The spelling of 213995636 in words is "two hundred thirteen million, nine hundred ninety-five thousand, six hundred thirty-six".