3156340189 has 2 divisors, whose sum is σ = 3156340190. Its totient is φ = 3156340188.

The previous prime is 3156340183. The next prime is 3156340279. The reversal of 3156340189 is 9810436513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2751002500 + 405337689 = 52450^2 + 20133^2 .

It is an emirp because it is prime and its reverse (9810436513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3156340189 - 2⁵ = 3156340157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3156340183) 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 as a sum of consecutive naturals, namely, 1578170094 + 1578170095.

It is an arithmetic number, because the mean of its divisors is an integer number (1578170095).

Almost surely, 2^3156340189 is an apocalyptic number.

It is an amenable number.

3156340189 is a deficient number, since it is larger than the sum of its proper divisors (1).

3156340189 is an equidigital number, since it uses as much as digits as its factorization.

3156340189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 3156340189 is about 56181.3153014416. The cubic root of 3156340189 is about 1466.8800487462.

The spelling of 3156340189 in words is "three billion, one hundred fifty-six million, three hundred forty thousand, one hundred eighty-nine".