213142943 has 8 divisors (see below), whose sum is σ = 229651968. Its totient is φ = 196650144.

The previous prime is 213142933. The next prime is 213142981. The reversal of 213142943 is 349241312.

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

It is a cyclic number.

It is not a de Polignac number, because 213142943 - 2⁴ = 213142927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213142933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49505 + ... + 53637.

It is an arithmetic number, because the mean of its divisors is an integer number (28706496).

Almost surely, 2^213142943 is an apocalyptic number.

213142943 is a deficient number, since it is larger than the sum of its proper divisors (16509025).

213142943 is a wasteful number, since it uses less digits than its factorization.

213142943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8113.

The product of its digits is 5184, while the sum is 29.

The square root of 213142943 is about 14599.4158444782. The cubic root of 213142943 is about 597.3428266059.

The spelling of 213142943 in words is "two hundred thirteen million, one hundred forty-two thousand, nine hundred forty-three".