142055121136 has 20 divisors (see below), whose sum is σ = 275262460200. Its totient is φ = 71019647552.

The previous prime is 142055121113. The next prime is 142055121161. The reversal of 142055121136 is 631121550241.

It is a junction number, because it is equal to n+sod(n) for n = 142055121098 and 142055121107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345091 + ... + 634978.

It is an arithmetic number, because the mean of its divisors is an integer number (13763123010).

Almost surely, 2^142055121136 is an apocalyptic number.

142055121136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142055121136 is a deficient number, since it is larger than the sum of its proper divisors (133207339064).

142055121136 is an equidigital number, since it uses as much as digits as its factorization.

142055121136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989136 (or 989130 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 142055121136 its reverse (631121550241), we get a palindrome (773176671377).

The spelling of 142055121136 in words is "one hundred forty-two billion, fifty-five million, one hundred twenty-one thousand, one hundred thirty-six".