127731374157 has 16 divisors (see below), whose sum is σ = 179280258560. Its totient is φ = 80668777392.

The previous prime is 127731374107. The next prime is 127731374167. The reversal of 127731374157 is 751473137721.

It is a happy number.

It is not a de Polignac number, because 127731374157 - 2⁸ = 127731373901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127731374107) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1793808 + ... + 1863654.

It is an arithmetic number, because the mean of its divisors is an integer number (11205016160).

Almost surely, 2^127731374157 is an apocalyptic number.

It is an amenable number.

127731374157 is a deficient number, since it is larger than the sum of its proper divisors (51548884403).

127731374157 is a wasteful number, since it uses less digits than its factorization.

127731374157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101952.

The product of its digits is 864360, while the sum is 48.

The spelling of 127731374157 in words is "one hundred twenty-seven billion, seven hundred thirty-one million, three hundred seventy-four thousand, one hundred fifty-seven".