213102894 has 8 divisors (see below), whose sum is σ = 426205800. Its totient is φ = 71034296.

The previous prime is 213102893. The next prime is 213102899. The reversal of 213102894 is 498201312.

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

213102894 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213102893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17758569 + ... + 17758580.

It is an arithmetic number, because the mean of its divisors is an integer number (53275725).

Almost surely, 2^213102894 is an apocalyptic number.

213102894 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.

213102894 is a wasteful number, since it uses less digits than its factorization.

213102894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35517154.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 213102894 is about 14598.0441840679. The cubic root of 213102894 is about 597.3054112122.

The spelling of 213102894 in words is "two hundred thirteen million, one hundred two thousand, eight hundred ninety-four".