127331797144 has 8 divisors (see below), whose sum is σ = 238747119660. Its totient is φ = 63665898568.

The previous prime is 127331797141. The next prime is 127331797181. The reversal of 127331797144 is 441797133721.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127331797141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7958237314 + ... + 7958237329.

Almost surely, 2^127331797144 is an apocalyptic number.

It is an amenable number.

127331797144 is a deficient number, since it is larger than the sum of its proper divisors (111415322516).

127331797144 is a wasteful number, since it uses less digits than its factorization.

127331797144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15916474649 (or 15916474645 counting only the distinct ones).

The product of its digits is 889056, while the sum is 49.

The spelling of 127331797144 in words is "one hundred twenty-seven billion, three hundred thirty-one million, seven hundred ninety-seven thousand, one hundred forty-four".