142140134422 has 32 divisors (see below), whose sum is σ = 250531223040. Its totient is φ = 59628143520.

The previous prime is 142140134399. The next prime is 142140134431. The reversal of 142140134422 is 224431041241.

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, 1599229 + ... + 1685767.

It is an arithmetic number, because the mean of its divisors is an integer number (7829100720).

Almost surely, 2^142140134422 is an apocalyptic number.

142140134422 is a deficient number, since it is larger than the sum of its proper divisors (108391088618).

142140134422 is a wasteful number, since it uses less digits than its factorization.

142140134422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92308.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 142140134422 its reverse (224431041241), we get a palindrome (366571175663).

The spelling of 142140134422 in words is "one hundred forty-two billion, one hundred forty million, one hundred thirty-four thousand, four hundred twenty-two".