213706367 has 8 divisors (see below), whose sum is σ = 244334112. Its totient is φ = 183103200.

The previous prime is 213706327. The next prime is 213706369. The reversal of 213706367 is 763607312.

It is a happy number.

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

It is not a de Polignac number, because 213706367 - 2⁸ = 213706111 is a prime.

It is a super-2 number, since 2×213706367² = 91340822592677378, which contains 22 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 (213706369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19817 + ... + 28637.

It is an arithmetic number, because the mean of its divisors is an integer number (30541764).

Almost surely, 2^213706367 is an apocalyptic number.

213706367 is a deficient number, since it is larger than the sum of its proper divisors (30627745).

213706367 is an equidigital number, since it uses as much as digits as its factorization.

213706367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12289.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 213706367 is about 14618.6992239392. The cubic root of 213706367 is about 597.8687040005.

The spelling of 213706367 in words is "two hundred thirteen million, seven hundred six thousand, three hundred sixty-seven".