213158742 has 8 divisors (see below), whose sum is σ = 426317496. Its totient is φ = 71052912.

The previous prime is 213158717. The next prime is 213158747. The reversal of 213158742 is 247851312.

213158742 is digitally balanced in base 2, 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.

213158742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213158747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17763223 + ... + 17763234.

It is an arithmetic number, because the mean of its divisors is an integer number (53289687).

Almost surely, 2^213158742 is an apocalyptic number.

213158742 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.

213158742 is a wasteful number, since it uses less digits than its factorization.

213158742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35526462.

The product of its digits is 13440, while the sum is 33.

The square root of 213158742 is about 14599.9569177447. The cubic root of 213158742 is about 597.3575853808.

The spelling of 213158742 in words is "two hundred thirteen million, one hundred fifty-eight thousand, seven hundred forty-two".