4140127665 has 12 divisors (see below), whose sum is σ = 7176221364. Its totient is φ = 2208068064.

The previous prime is 4140127661. The next prime is 4140127679. The reversal of 4140127665 is 5667210414.

It can be written as a sum of positive squares in 2 ways, for example, as 761263281 + 3378864384 = 27591^2 + 58128^2 .

It is not a de Polignac number, because 4140127665 - 2² = 4140127661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4140127661) 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, 46001374 + ... + 46001463.

It is an arithmetic number, because the mean of its divisors is an integer number (598018447).

Almost surely, 2^4140127665 is an apocalyptic number.

4140127665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4140127665 is a deficient number, since it is larger than the sum of its proper divisors (3036093699).

4140127665 is a wasteful number, since it uses less digits than its factorization.

4140127665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92002848 (or 92002845 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 4140127665 is about 64343.8238294865. The cubic root of 4140127665 is about 1605.7252785188.

The spelling of 4140127665 in words is "four billion, one hundred forty million, one hundred twenty-seven thousand, six hundred sixty-five".