3686135939 has 2 divisors, whose sum is σ = 3686135940. Its totient is φ = 3686135938.

The previous prime is 3686135927. The next prime is 3686135969. The reversal of 3686135939 is 9395316863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3686135939 - 2⁴ = 3686135923 is a prime.

It is not a weakly prime, because it can be changed into another prime (3686135969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843067969 + 1843067970.

It is an arithmetic number, because the mean of its divisors is an integer number (1843067970).

Almost surely, 2^3686135939 is an apocalyptic number.

3686135939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3686135939 is an equidigital number, since it uses as much as digits as its factorization.

3686135939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3149280, while the sum is 53.

The square root of 3686135939 is about 60713.5564680574. The cubic root of 3686135939 is about 1544.7461296369.

The spelling of 3686135939 in words is "three billion, six hundred eighty-six million, one hundred thirty-five thousand, nine hundred thirty-nine".