3188094137 has 2 divisors, whose sum is σ = 3188094138. Its totient is φ = 3188094136.

The previous prime is 3188094121. The next prime is 3188094139. The reversal of 3188094137 is 7314908813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1909602601 + 1278491536 = 43699^2 + 35756^2 .

It is a cyclic number.

It is not a de Polignac number, because 3188094137 - 2⁴ = 3188094121 is a prime.

Together with 3188094139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3188094139) by changing a digit.

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 as a sum of consecutive naturals, namely, 1594047068 + 1594047069.

It is an arithmetic number, because the mean of its divisors is an integer number (1594047069).

Almost surely, 2^3188094137 is an apocalyptic number.

It is an amenable number.

3188094137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3188094137 is an equidigital number, since it uses as much as digits as its factorization.

3188094137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 3188094137 is about 56463.2104737235. The cubic root of 3188094137 is about 1471.7827626273.

The spelling of 3188094137 in words is "three billion, one hundred eighty-eight million, ninety-four thousand, one hundred thirty-seven".