127706912540 has 24 divisors (see below), whose sum is σ = 268191861840. Its totient is φ = 51081365888.

The previous prime is 127706912479. The next prime is 127706912561. The reversal of 127706912540 is 45219607721.

It is a junction number, because it is equal to n+sod(n) for n = 127706912491 and 127706912500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977099 + ... + 1100061.

It is an arithmetic number, because the mean of its divisors is an integer number (11174660910).

Almost surely, 2^127706912540 is an apocalyptic number.

127706912540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127706912540 is an abundant number, since it is smaller than the sum of its proper divisors (140484949300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127706912540 is a wasteful number, since it uses less digits than its factorization.

127706912540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174901 (or 174899 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 127706912540 in words is "one hundred twenty-seven billion, seven hundred six million, nine hundred twelve thousand, five hundred forty".