3140370385 has 4 divisors (see below), whose sum is σ = 3768444468. Its totient is φ = 2512296304.

The previous prime is 3140370349. The next prime is 3140370421. The reversal of 3140370385 is 5830730413.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3140370349) and next prime (3140370421).

It can be written as a sum of positive squares in 2 ways, for example, as 405498769 + 2734871616 = 20137^2 + 52296^2 .

It is a cyclic number.

It is not a de Polignac number, because 3140370385 - 2⁹ = 3140369873 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 3140370385.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314037034 + ... + 314037043.

It is an arithmetic number, because the mean of its divisors is an integer number (942111117).

Almost surely, 2^3140370385 is an apocalyptic number.

It is an amenable number.

3140370385 is a deficient number, since it is larger than the sum of its proper divisors (628074083).

3140370385 is an equidigital number, since it uses as much as digits as its factorization.

3140370385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628074082.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 3140370385 is about 56039.0077089165. The cubic root of 3140370385 is about 1464.4019247980.

The spelling of 3140370385 in words is "three billion, one hundred forty million, three hundred seventy thousand, three hundred eighty-five".