213663134 has 16 divisors (see below), whose sum is σ = 326271888. Its totient is φ = 104915712.

The previous prime is 213663133. The next prime is 213663143. The reversal of 213663134 is 431366312.

213663134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213663097 and 213663106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213663133) 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, 45044 + ... + 49560.

It is an arithmetic number, because the mean of its divisors is an integer number (20391993).

Almost surely, 2^213663134 is an apocalyptic number.

213663134 is a deficient number, since it is larger than the sum of its proper divisors (112608754).

213663134 is a wasteful number, since it uses less digits than its factorization.

213663134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939.

The product of its digits is 7776, while the sum is 29.

The square root of 213663134 is about 14617.2204608127. The cubic root of 213663134 is about 597.8283848135.

The spelling of 213663134 in words is "two hundred thirteen million, six hundred sixty-three thousand, one hundred thirty-four".