213209294 has 8 divisors (see below), whose sum is σ = 320612688. Its totient is φ = 106338400.

The previous prime is 213209263. The next prime is 213209309. The reversal of 213209294 is 492902312.

213209294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 213209294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132122 + ... + 133725.

It is an arithmetic number, because the mean of its divisors is an integer number (40076586).

Almost surely, 2^213209294 is an apocalyptic number.

213209294 is a deficient number, since it is larger than the sum of its proper divisors (107403394).

213209294 is a wasteful number, since it uses less digits than its factorization.

213209294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266250.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 213209294 is about 14601.6880530985. The cubic root of 213209294 is about 597.4048040772.

The spelling of 213209294 in words is "two hundred thirteen million, two hundred nine thousand, two hundred ninety-four".