663075139 has 2 divisors, whose sum is σ = 663075140. Its totient is φ = 663075138.

The previous prime is 663075079. The next prime is 663075197. The reversal of 663075139 is 931570366.

663075139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 663075139 - 2¹¹ = 663073091 is a prime.

It is a super-3 number, since 3×663075139³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (663075839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331537569 + 331537570.

It is an arithmetic number, because the mean of its divisors is an integer number (331537570).

Almost surely, 2^663075139 is an apocalyptic number.

663075139 is a deficient number, since it is larger than the sum of its proper divisors (1).

663075139 is an equidigital number, since it uses as much as digits as its factorization.

663075139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 663075139 is about 25750.2454163062. The cubic root of 663075139 is about 872.0088949763.

The spelling of 663075139 in words is "six hundred sixty-three million, seventy-five thousand, one hundred thirty-nine".