142313441638 has 8 divisors (see below), whose sum is σ = 213498358632. Its totient is φ = 71147322096.

The previous prime is 142313441609. The next prime is 142313441639. The reversal of 142313441638 is 836144313241.

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 142313441638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142313441639) 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, 4680420 + ... + 4710727.

It is an arithmetic number, because the mean of its divisors is an integer number (26687294829).

Almost surely, 2^142313441638 is an apocalyptic number.

142313441638 is a deficient number, since it is larger than the sum of its proper divisors (71184916994).

142313441638 is an equidigital number, since it uses as much as digits as its factorization.

142313441638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9398726.

The product of its digits is 165888, while the sum is 40.

Adding to 142313441638 its reverse (836144313241), we get a palindrome (978457754879).

The spelling of 142313441638 in words is "one hundred forty-two billion, three hundred thirteen million, four hundred forty-one thousand, six hundred thirty-eight".