127709045345 has 32 divisors (see below), whose sum is σ = 186116133888. Its totient is φ = 82122974208.

The previous prime is 127709045333. The next prime is 127709045371. The reversal of 127709045345 is 543540907721.

It is a cyclic number.

It is not a de Polignac number, because 127709045345 - 2¹⁴ = 127709028961 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 127709045345.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222617 + ... + 552246.

It is an arithmetic number, because the mean of its divisors is an integer number (5816129184).

Almost surely, 2^127709045345 is an apocalyptic number.

It is an amenable number.

127709045345 is a deficient number, since it is larger than the sum of its proper divisors (58407088543).

127709045345 is a wasteful number, since it uses less digits than its factorization.

127709045345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775169.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 127709045345 in words is "one hundred twenty-seven billion, seven hundred nine million, forty-five thousand, three hundred forty-five".