213424142 has 8 divisors (see below), whose sum is σ = 320241600. Its totient is φ = 106676944.

The previous prime is 213424139. The next prime is 213424151. The reversal of 213424142 is 241424312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9167 + ... + 22602.

It is an arithmetic number, because the mean of its divisors is an integer number (40030200).

Almost surely, 2^213424142 is an apocalyptic number.

213424142 is a deficient number, since it is larger than the sum of its proper divisors (106817458).

213424142 is a wasteful number, since it uses less digits than its factorization.

213424142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35130.

The product of its digits is 1536, while the sum is 23.

The square root of 213424142 is about 14609.0431582633. The cubic root of 213424142 is about 597.6054021788.

Adding to 213424142 its reverse (241424312), we get a palindrome (454848454).

The spelling of 213424142 in words is "two hundred thirteen million, four hundred twenty-four thousand, one hundred forty-two".