994000159 has 2 divisors, whose sum is σ = 994000160. Its totient is φ = 994000158.

The previous prime is 994000129. The next prime is 994000207. The reversal of 994000159 is 951000499.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 994000159 - 2⁹ = 993999647 is a prime.

It is equal to p_50557843 and since 994000159 and 50557843 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994000129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497000079 + 497000080.

It is an arithmetic number, because the mean of its divisors is an integer number (497000080).

Almost surely, 2^994000159 is an apocalyptic number.

994000159 is a deficient number, since it is larger than the sum of its proper divisors (1).

994000159 is an equidigital number, since it uses as much as digits as its factorization.

994000159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 994000159 is about 31527.7680624557. The cubic root of 994000159 is about 997.9960398262.

The spelling of 994000159 in words is "nine hundred ninety-four million, one hundred fifty-nine", and thus it is an aban number.