3115765139 has 4 divisors (see below), whose sum is σ = 3116259960. Its totient is φ = 3115270320.

The previous prime is 3115765129. The next prime is 3115765181. The reversal of 3115765139 is 9315675113.

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

It is a cyclic number.

It is not a de Polignac number, because 3115765139 - 2¹² = 3115761043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3115765096 and 3115765105.

It is not an unprimeable number, because it can be changed into a prime (3115765129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237842 + ... + 250599.

It is an arithmetic number, because the mean of its divisors is an integer number (779064990).

Almost surely, 2^3115765139 is an apocalyptic number.

3115765139 is a deficient number, since it is larger than the sum of its proper divisors (494821).

3115765139 is an equidigital number, since it uses as much as digits as its factorization.

3115765139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494820.

The product of its digits is 85050, while the sum is 41.

The square root of 3115765139 is about 55819.0392160238. The cubic root of 3115765139 is about 1460.5672936193.

The spelling of 3115765139 in words is "three billion, one hundred fifteen million, seven hundred sixty-five thousand, one hundred thirty-nine".