943397137 has 2 divisors, whose sum is σ = 943397138. Its totient is φ = 943397136.

The previous prime is 943397131. The next prime is 943397153. The reversal of 943397137 is 731793349.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 637007121 + 306390016 = 25239^2 + 17504^2 .

It is a cyclic number.

It is not a de Polignac number, because 943397137 - 2⁷ = 943397009 is a prime.

It is not a weakly prime, because it can be changed into another prime (943397131) 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, 471698568 + 471698569.

It is an arithmetic number, because the mean of its divisors is an integer number (471698569).

Almost surely, 2^943397137 is an apocalyptic number.

It is an amenable number.

943397137 is a deficient number, since it is larger than the sum of its proper divisors (1).

943397137 is an equidigital number, since it uses as much as digits as its factorization.

943397137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 46.

The square root of 943397137 is about 30714.7706649423. The cubic root of 943397137 is about 980.7647567282.

The spelling of 943397137 in words is "nine hundred forty-three million, three hundred ninety-seven thousand, one hundred thirty-seven".