142402421334 has 32 divisors (see below), whose sum is σ = 289273887360. Its totient is φ = 46727333312.

The previous prime is 142402421281. The next prime is 142402421341. The reversal of 142402421334 is 433124204241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466164 + ... + 708599.

It is an arithmetic number, because the mean of its divisors is an integer number (9039808980).

Almost surely, 2^142402421334 is an apocalyptic number.

142402421334 is an abundant number, since it is smaller than the sum of its proper divisors (146871466026).

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

142402421334 is a wasteful number, since it uses less digits than its factorization.

142402421334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175084.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 142402421334 its reverse (433124204241), we get a palindrome (575526625575).

The spelling of 142402421334 in words is "one hundred forty-two billion, four hundred two million, four hundred twenty-one thousand, three hundred thirty-four".