213158 has 8 divisors (see below), whose sum is σ = 348840. Its totient is φ = 96880.

The previous prime is 213149. The next prime is 213173. The reversal of 213158 is 851312.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 213158.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4823 + ... + 4866.

It is an arithmetic number, because the mean of its divisors is an integer number (43605).

2²¹³¹⁵⁸ is an apocalyptic number.

213158 is a deficient number, since it is larger than the sum of its proper divisors (135682).

213158 is a wasteful number, since it uses less digits than its factorization.

213158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9702.

The product of its digits is 240, while the sum is 20.

The square root of 213158 is about 461.6903724359. The cubic root of 213158 is about 59.7356892251.

The spelling of 213158 in words is "two hundred thirteen thousand, one hundred fifty-eight".