142321024112639 has 4 divisors (see below), whose sum is σ = 148508894726256. Its totient is φ = 136133153499024.

The previous prime is 142321024112633. The next prime is 142321024112669. The reversal of 142321024112639 is 936211420123241.

142321024112639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142321024112639 - 2²⁰ = 142321023064063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142321024112596 and 142321024112605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142321024112633) 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, 3093935306774 + ... + 3093935306819.

It is an arithmetic number, because the mean of its divisors is an integer number (37127223681564).

Almost surely, 2^{142321024112639} is an apocalyptic number.

142321024112639 is a deficient number, since it is larger than the sum of its proper divisors (6187870613617).

142321024112639 is an equidigital number, since it uses as much as digits as its factorization.

142321024112639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6187870613616.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 142321024112639 in words is "one hundred forty-two trillion, three hundred twenty-one billion, twenty-four million, one hundred twelve thousand, six hundred thirty-nine".