142120135144544 has 12 divisors (see below), whose sum is σ = 279799016065884. Its totient is φ = 71060067572256.

The previous prime is 142120135144531. The next prime is 142120135144609. The reversal of 142120135144544 is 445441531021241.

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 as a sum of consecutive naturals, namely, 2220627111602 + ... + 2220627111665.

It is an arithmetic number, because the mean of its divisors is an integer number (23316584672157).

Almost surely, 2^{142120135144544} is an apocalyptic number.

It is an amenable number.

142120135144544 is a deficient number, since it is larger than the sum of its proper divisors (137678880921340).

142120135144544 is an equidigital number, since it uses as much as digits as its factorization.

142120135144544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441254223277 (or 4441254223269 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 41.

Adding to 142120135144544 its reverse (445441531021241), we get a palindrome (587561666165785).

The spelling of 142120135144544 in words is "one hundred forty-two trillion, one hundred twenty billion, one hundred thirty-five million, one hundred forty-four thousand, five hundred forty-four".