142134213 has 16 divisors (see below), whose sum is σ = 204361920. Its totient is φ = 87350784.

The previous prime is 142134211. The next prime is 142134217. The reversal of 142134213 is 312431241.

142134213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142134213 - 2¹ = 142134211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142134213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142134211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34270 + ... + 38192.

It is an arithmetic number, because the mean of its divisors is an integer number (12772620).

Almost surely, 2^142134213 is an apocalyptic number.

142134213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142134213 is a deficient number, since it is larger than the sum of its proper divisors (62227707).

142134213 is a wasteful number, since it uses less digits than its factorization.

142134213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868.

The product of its digits is 576, while the sum is 21.

The square root of 142134213 is about 11922.0054101649. The cubic root of 142134213 is about 521.8746597964.

Adding to 142134213 its reverse (312431241), we get a palindrome (454565454).

The spelling of 142134213 in words is "one hundred forty-two million, one hundred thirty-four thousand, two hundred thirteen".