994755137 has 2 divisors, whose sum is σ = 994755138. Its totient is φ = 994755136.

The previous prime is 994755133. The next prime is 994755143. The reversal of 994755137 is 731557499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 991053361 + 3701776 = 31481^2 + 1924^2 .

It is a cyclic number.

It is not a de Polignac number, because 994755137 - 2² = 994755133 is a prime.

It is not a weakly prime, because it can be changed into another prime (994755131) 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, 497377568 + 497377569.

It is an arithmetic number, because the mean of its divisors is an integer number (497377569).

Almost surely, 2^994755137 is an apocalyptic number.

It is an amenable number.

994755137 is a deficient number, since it is larger than the sum of its proper divisors (1).

994755137 is an equidigital number, since it uses as much as digits as its factorization.

994755137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1190700, while the sum is 50.

The square root of 994755137 is about 31539.7390128707. The cubic root of 994755137 is about 998.2486468862.

The spelling of 994755137 in words is "nine hundred ninety-four million, seven hundred fifty-five thousand, one hundred thirty-seven".