142440433134 has 16 divisors (see below), whose sum is σ = 285212519040. Its totient is φ = 47424868920.

The previous prime is 142440433097. The next prime is 142440433147. The reversal of 142440433134 is 431334044241.

It is a junction number, because it is equal to n+sod(n) for n = 142440433095 and 142440433104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13813282 + ... + 13823589.

It is an arithmetic number, because the mean of its divisors is an integer number (17825782440).

Almost surely, 2^142440433134 is an apocalyptic number.

142440433134 is an abundant number, since it is smaller than the sum of its proper divisors (142772085906).

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

142440433134 is a wasteful number, since it uses less digits than its factorization.

142440433134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27637735.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 142440433134 its reverse (431334044241), we get a palindrome (573774477375).

The spelling of 142440433134 in words is "one hundred forty-two billion, four hundred forty million, four hundred thirty-three thousand, one hundred thirty-four".