4136689 has 2 divisors, whose sum is σ = 4136690. Its totient is φ = 4136688.

The previous prime is 4136681. The next prime is 4136701. The reversal of 4136689 is 9866314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4133089 + 3600 = 2033^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 4136689 - 2³ = 4136681 is a prime.

It is a super-2 number, since 2×4136689² = 34224391765442, which contains 22 as substring.

4136689 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4136681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2068344 + 2068345.

It is an arithmetic number, because the mean of its divisors is an integer number (2068345).

Almost surely, 2^4136689 is an apocalyptic number.

It is an amenable number.

4136689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4136689 is an equidigital number, since it uses as much as digits as its factorization.

4136689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 4136689 is about 2033.8851983335. The cubic root of 4136689 is about 160.5280599744.

The spelling of 4136689 in words is "four million, one hundred thirty-six thousand, six hundred eighty-nine".