213714671 has 4 divisors (see below), whose sum is σ = 216420000. Its totient is φ = 211009344.

The previous prime is 213714661. The next prime is 213714691. The reversal of 213714671 is 176417312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213714671 is a prime.

It is a super-4 number, since 4×213714671⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213714661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352546 + ... + 1352703.

It is an arithmetic number, because the mean of its divisors is an integer number (54105000).

Almost surely, 2^213714671 is an apocalyptic number.

213714671 is a deficient number, since it is larger than the sum of its proper divisors (2705329).

213714671 is an equidigital number, since it uses as much as digits as its factorization.

213714671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705328.

The product of its digits is 7056, while the sum is 32.

The square root of 213714671 is about 14618.9832409781. The cubic root of 213714671 is about 597.8764477058.

The spelling of 213714671 in words is "two hundred thirteen million, seven hundred fourteen thousand, six hundred seventy-one".