142130334 has 16 divisors (see below), whose sum is σ = 294063120. Its totient is φ = 45743040.

The previous prime is 142130333. The next prime is 142130341. The reversal of 142130334 is 433031241.

142130334 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142130334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142130333) 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, 408247 + ... + 408594.

It is an arithmetic number, because the mean of its divisors is an integer number (18378945).

Almost surely, 2^142130334 is an apocalyptic number.

142130334 is an abundant number, since it is smaller than the sum of its proper divisors (151932786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142130334 is a wasteful number, since it uses less digits than its factorization.

142130334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816875.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 142130334 is about 11921.8427266929. The cubic root of 142130334 is about 521.8699122408.

Adding to 142130334 its reverse (433031241), we get a palindrome (575161575).

The spelling of 142130334 in words is "one hundred forty-two million, one hundred thirty thousand, three hundred thirty-four".