213335236 has 27 divisors (see below), whose sum is σ = 382500909. Its totient is φ = 104111568.

The previous prime is 213335233. The next prime is 213335237. The reversal of 213335236 is 632533312.

The square root of 213335236 is 14606.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 148693636 + 64641600 = 12194^2 + 8040^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213335233) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1957150 + ... + 1957258.

Almost surely, 2^213335236 is an apocalyptic number.

213335236 is the 14606-th square number.

It is an amenable number.

213335236 is a deficient number, since it is larger than the sum of its proper divisors (169165673).

213335236 is an equidigital number, since it uses as much as digits as its factorization.

213335236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 178 counting only the distinct ones).

The product of its digits is 9720, while the sum is 28.

The cubic root of 213335236 is about 597.5224092481.

Adding to 213335236 its reverse (632533312), we get a palindrome (845868548).

It can be divided in two parts, 21333 and 5236, that added together give a square (26569 = 163²).

The spelling of 213335236 in words is "two hundred thirteen million, three hundred thirty-five thousand, two hundred thirty-six".