3140891165 has 4 divisors (see below), whose sum is σ = 3769069404. Its totient is φ = 2512712928.

The previous prime is 3140891153. The next prime is 3140891177. The reversal of 3140891165 is 5611980413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5611980413 = 13 ⋅431690801.

It is an interprime number because it is at equal distance from previous prime (3140891153) and next prime (3140891177).

It can be written as a sum of positive squares in 2 ways, for example, as 956170084 + 2184721081 = 30922^2 + 46741^2 .

It is a cyclic number.

It is not a de Polignac number, because 3140891165 - 2¹⁶ = 3140825629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314089112 + ... + 314089121.

It is an arithmetic number, because the mean of its divisors is an integer number (942267351).

Almost surely, 2^3140891165 is an apocalyptic number.

It is an amenable number.

3140891165 is a deficient number, since it is larger than the sum of its proper divisors (628178239).

3140891165 is an equidigital number, since it uses as much as digits as its factorization.

3140891165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628178238.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 3140891165 is about 56043.6541010666. The cubic root of 3140891165 is about 1464.4828695050.

The spelling of 3140891165 in words is "three billion, one hundred forty million, eight hundred ninety-one thousand, one hundred sixty-five".