142321023140636 has 48 divisors (see below), whose sum is σ = 261128646847488. Its totient is φ = 67742332257600.

The previous prime is 142321023140609. The next prime is 142321023140773. The reversal of 142321023140636 is 636041320123241.

It is a self number, because there is not a number n which added to its sum of digits gives 142321023140636.

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, 1232468381 + ... + 1232583851.

It is an arithmetic number, because the mean of its divisors is an integer number (5440180142656).

Almost surely, 2^{142321023140636} is an apocalyptic number.

It is an amenable number.

142321023140636 is a deficient number, since it is larger than the sum of its proper divisors (118807623706852).

142321023140636 is a wasteful number, since it uses less digits than its factorization.

142321023140636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179202 (or 179200 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

Adding to 142321023140636 its reverse (636041320123241), we get a palindrome (778362343263877).

The spelling of 142321023140636 in words is "one hundred forty-two trillion, three hundred twenty-one billion, twenty-three million, one hundred forty thousand, six hundred thirty-six".