127000142640 has 120 divisors (see below), whose sum is σ = 487438662048. Its totient is φ = 29028602880.

The previous prime is 127000142629. The next prime is 127000142653. The reversal of 127000142640 is 46241000721.

127000142640 is a `hidden beast` number, since 1 + 2 + 7 + 0 + 0 + 0 + 14 + 2 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×127000142640² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12594181 + ... + 12604260.

Almost surely, 2^127000142640 is an apocalyptic number.

127000142640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127000142640 is an abundant number, since it is smaller than the sum of its proper divisors (360438519408).

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

127000142640 is a wasteful number, since it uses less digits than its factorization.

127000142640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25198467 (or 25198458 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The spelling of 127000142640 in words is "one hundred twenty-seven billion, one hundred forty-two thousand, six hundred forty".