3140728865 has 8 divisors (see below), whose sum is σ = 3774703680. Its totient is φ = 2508697072.

The previous prime is 3140728847. The next prime is 3140728883. The reversal of 3140728865 is 5688270413.

3140728865 is digitally balanced in base 2, 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 (3140728847) and next prime (3140728883).

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

It is a cyclic number.

It is not a de Polignac number, because 3140728865 - 2²⁸ = 2872293409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482195 + ... + 488664.

It is an arithmetic number, because the mean of its divisors is an integer number (471837960).

Almost surely, 2^3140728865 is an apocalyptic number.

It is an amenable number.

3140728865 is a deficient number, since it is larger than the sum of its proper divisors (633974815).

3140728865 is an equidigital number, since it uses as much as digits as its factorization.

3140728865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971511.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 3140728865 is about 56042.2061039713. The cubic root of 3140728865 is about 1464.4576442158.

The spelling of 3140728865 in words is "three billion, one hundred forty million, seven hundred twenty-eight thousand, eight hundred sixty-five".