3138071 has 2 divisors, whose sum is σ = 3138072. Its totient is φ = 3138070.

The previous prime is 3138067. The next prime is 3138073. The reversal of 3138071 is 1708313.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3138071 - 2² = 3138067 is a prime.

It is a Sophie Germain prime.

Together with 3138073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3138073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569035 + 1569036.

It is an arithmetic number, because the mean of its divisors is an integer number (1569036).

Almost surely, 2^3138071 is an apocalyptic number.

3138071 is a deficient number, since it is larger than the sum of its proper divisors (1).

3138071 is an equidigital number, since it uses as much as digits as its factorization.

3138071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 3138071 is about 1771.4601322073. The cubic root of 3138071 is about 146.4044424931.

The spelling of 3138071 in words is "three million, one hundred thirty-eight thousand, seventy-one".