213158958 has 8 divisors (see below), whose sum is σ = 426317928. Its totient is φ = 71052984.

The previous prime is 213158927. The next prime is 213158987. The reversal of 213158958 is 859851312.

213158958 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

213158958 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17763241 + ... + 17763252.

It is an arithmetic number, because the mean of its divisors is an integer number (53289741).

Almost surely, 2^213158958 is an apocalyptic number.

213158958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213158958 is a wasteful number, since it uses less digits than its factorization.

213158958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35526498.

The product of its digits is 86400, while the sum is 42.

The square root of 213158958 is about 14599.9643150249. The cubic root of 213158958 is about 597.3577871540.

The spelling of 213158958 in words is "two hundred thirteen million, one hundred fifty-eight thousand, nine hundred fifty-eight".