213034134 has 8 divisors (see below), whose sum is σ = 426068280. Its totient is φ = 71011376.

The previous prime is 213034121. The next prime is 213034163. The reversal of 213034134 is 431430312.

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

213034134 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 213034134.

It is a congruent number.

It is an unprimeable number.

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, 17752839 + ... + 17752850.

It is an arithmetic number, because the mean of its divisors is an integer number (53258535).

Almost surely, 2^213034134 is an apocalyptic number.

213034134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213034134 is a wasteful number, since it uses less digits than its factorization.

213034134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35505694.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 213034134 is about 14595.6888840507. The cubic root of 213034134 is about 597.2411619077.

Adding to 213034134 its reverse (431430312), we get a palindrome (644464446).

The spelling of 213034134 in words is "two hundred thirteen million, thirty-four thousand, one hundred thirty-four".