213667271 has 8 divisors (see below), whose sum is σ = 229101120. Its totient is φ = 198551808.

The previous prime is 213667253. The next prime is 213667297. The reversal of 213667271 is 172766312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213667271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213667211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78206 + ... + 80891.

It is an arithmetic number, because the mean of its divisors is an integer number (28637640).

Almost surely, 2^213667271 is an apocalyptic number.

213667271 is a deficient number, since it is larger than the sum of its proper divisors (15433849).

213667271 is a wasteful number, since it uses less digits than its factorization.

213667271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159193.

The product of its digits is 21168, while the sum is 35.

The square root of 213667271 is about 14617.3619712997. The cubic root of 213667271 is about 597.8322432238.

The spelling of 213667271 in words is "two hundred thirteen million, six hundred sixty-seven thousand, two hundred seventy-one".