213760436 has 18 divisors (see below), whose sum is σ = 391056162. Its totient is φ = 102232240.

The previous prime is 213760423. The next prime is 213760453. The reversal of 213760436 is 634067312.

213760436 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 116856100 + 96904336 = 10810^2 + 9844^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 48395 + ... + 52626.

Almost surely, 2^213760436 is an apocalyptic number.

It is an amenable number.

213760436 is a deficient number, since it is larger than the sum of its proper divisors (177295726).

213760436 is a wasteful number, since it uses less digits than its factorization.

213760436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101071 (or 101046 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 213760436 is about 14620.5484165267. The cubic root of 213760436 is about 597.9191212116.

The spelling of 213760436 in words is "two hundred thirteen million, seven hundred sixty thousand, four hundred thirty-six".