213000142 has 16 divisors (see below), whose sum is σ = 324702432. Its totient is φ = 104772640.

The previous prime is 213000133. The next prime is 213000149. The reversal of 213000142 is 241000312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213000149) 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, 77748 + ... + 80440.

It is an arithmetic number, because the mean of its divisors is an integer number (20293902).

Almost surely, 2^213000142 is an apocalyptic number.

213000142 is a deficient number, since it is larger than the sum of its proper divisors (111702290).

213000142 is a wasteful number, since it uses less digits than its factorization.

213000142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 213000142 is about 14594.5243841655. The cubic root of 213000142 is about 597.2093946958.

Adding to 213000142 its reverse (241000312), we get a palindrome (454000454).

The spelling of 213000142 in words is "two hundred thirteen million, one hundred forty-two", and thus it is an aban number.