94138871 has 2 divisors, whose sum is σ = 94138872. Its totient is φ = 94138870.

The previous prime is 94138867. The next prime is 94138897. The reversal of 94138871 is 17883149.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 94138871 - 2² = 94138867 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94138861) 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, 47069435 + 47069436.

It is an arithmetic number, because the mean of its divisors is an integer number (47069436).

Almost surely, 2^94138871 is an apocalyptic number.

94138871 is a deficient number, since it is larger than the sum of its proper divisors (1).

94138871 is an equidigital number, since it uses as much as digits as its factorization.

94138871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 94138871 is about 9702.5187966837. The cubic root of 94138871 is about 454.9073933012.

The spelling of 94138871 in words is "ninety-four million, one hundred thirty-eight thousand, eight hundred seventy-one".