3140140665 has 16 divisors (see below), whose sum is σ = 5242670208. Its totient is φ = 1601926656.

The previous prime is 3140140637. The next prime is 3140140667. The reversal of 3140140665 is 5660410413.

It is not a de Polignac number, because 3140140665 - 2⁷ = 3140140537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3140140667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4550584 + ... + 4551273.

It is an arithmetic number, because the mean of its divisors is an integer number (327666888).

Almost surely, 2^3140140665 is an apocalyptic number.

It is an amenable number.

3140140665 is a deficient number, since it is larger than the sum of its proper divisors (2102529543).

3140140665 is a wasteful number, since it uses less digits than its factorization.

3140140665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9101888.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 3140140665 is about 56036.9580277160. The cubic root of 3140140665 is about 1464.3662166308.

The spelling of 3140140665 in words is "three billion, one hundred forty million, one hundred forty thousand, six hundred sixty-five".