142340434234 has 8 divisors (see below), whose sum is σ = 213512820480. Its totient is φ = 71169494076.

The previous prime is 142340434199. The next prime is 142340434237. The reversal of 142340434234 is 432434043241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 142340434234.

It is not an unprimeable number, because it can be changed into a prime (142340434237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67674 + ... + 537829.

It is an arithmetic number, because the mean of its divisors is an integer number (26689102560).

Almost surely, 2^142340434234 is an apocalyptic number.

142340434234 is a deficient number, since it is larger than the sum of its proper divisors (71172386246).

142340434234 is a wasteful number, since it uses less digits than its factorization.

142340434234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723044.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 142340434234 its reverse (432434043241), we get a palindrome (574774477475).

The spelling of 142340434234 in words is "one hundred forty-two billion, three hundred forty million, four hundred thirty-four thousand, two hundred thirty-four".