213033134 has 8 divisors (see below), whose sum is σ = 320578128. Its totient is φ = 106173760.

The previous prime is 213033131. The next prime is 213033151. The reversal of 213033134 is 431330312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213033131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170627 + ... + 171870.

It is an arithmetic number, because the mean of its divisors is an integer number (40072266).

Almost surely, 2^213033134 is an apocalyptic number.

213033134 is a deficient number, since it is larger than the sum of its proper divisors (107544994).

213033134 is a wasteful number, since it uses less digits than its factorization.

213033134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342810.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 213033134 is about 14595.6546273197. The cubic root of 213033134 is about 597.2402274063.

Adding to 213033134 its reverse (431330312), we get a palindrome (644363446).

The spelling of 213033134 in words is "two hundred thirteen million, thirty-three thousand, one hundred thirty-four".