127274645634 has 8 divisors (see below), whose sum is σ = 254549291280. Its totient is φ = 42424881876.

The previous prime is 127274645629. The next prime is 127274645639. The reversal of 127274645634 is 436546472721.

127274645634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (127274645629) and next prime (127274645639).

It is a sphenic number, since it is the product of 3 distinct primes.

127274645634 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (127274645639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10606220464 + ... + 10606220475.

It is an arithmetic number, because the mean of its divisors is an integer number (31818661410).

Almost surely, 2^127274645634 is an apocalyptic number.

127274645634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

127274645634 is a wasteful number, since it uses less digits than its factorization.

127274645634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21212440944.

The product of its digits is 6773760, while the sum is 51.

The spelling of 127274645634 in words is "one hundred twenty-seven billion, two hundred seventy-four million, six hundred forty-five thousand, six hundred thirty-four".