127640000275 has 12 divisors (see below), whose sum is σ = 158308397872. Its totient is φ = 102089550240.

The previous prime is 127640000273. The next prime is 127640000297. The reversal of 127640000275 is 572000046721.

It is not a de Polignac number, because 127640000275 - 2¹ = 127640000273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 127640000275.

It is not an unprimeable number, because it can be changed into a prime (127640000273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444792 + ... + 673141.

Almost surely, 2^127640000275 is an apocalyptic number.

127640000275 is a deficient number, since it is larger than the sum of its proper divisors (30668397597).

127640000275 is a wasteful number, since it uses less digits than its factorization.

127640000275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122510 (or 1122505 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

Adding to 127640000275 its reverse (572000046721), we get a palindrome (699640046996).

The spelling of 127640000275 in words is "one hundred twenty-seven billion, six hundred forty million, two hundred seventy-five", and thus it is an aban number.