213914305 has 8 divisors (see below), whose sum is σ = 280033344. Its totient is φ = 155574000.

The previous prime is 213914297. The next prime is 213914333. The reversal of 213914305 is 503419312.

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

It is not a de Polignac number, because 213914305 - 2³ = 213914297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944621 + ... + 1944730.

It is an arithmetic number, because the mean of its divisors is an integer number (35004168).

Almost surely, 2^213914305 is an apocalyptic number.

It is an amenable number.

213914305 is a deficient number, since it is larger than the sum of its proper divisors (66119039).

213914305 is a wasteful number, since it uses less digits than its factorization.

213914305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889367.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 213914305 is about 14625.8095502437. The cubic root of 213914305 is about 598.0625514819.

The spelling of 213914305 in words is "two hundred thirteen million, nine hundred fourteen thousand, three hundred five".