142430340121340 has 96 divisors (see below), whose sum is σ = 303021241971840. Its totient is φ = 56229617664000.

The previous prime is 142430340121309. The next prime is 142430340121379. The reversal of 142430340121340 is 43121043034241.

It is a junction number, because it is equal to n+sod(n) for n = 142430340121297 and 142430340121306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2259655625 + ... + 2259718655.

It is an arithmetic number, because the mean of its divisors is an integer number (3156471270540).

Almost surely, 2^{142430340121340} is an apocalyptic number.

142430340121340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142430340121340 is an abundant number, since it is smaller than the sum of its proper divisors (160590901850500).

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

142430340121340 is a wasteful number, since it uses less digits than its factorization.

142430340121340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66663 (or 66661 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 142430340121340 its reverse (43121043034241), we get a palindrome (185551383155581).

The spelling of 142430340121340 in words is "one hundred forty-two trillion, four hundred thirty billion, three hundred forty million, one hundred twenty-one thousand, three hundred forty".