809036141 has 2 divisors, whose sum is σ = 809036142. Its totient is φ = 809036140.

The previous prime is 809036119. The next prime is 809036147. The reversal of 809036141 is 141630908.

It is a happy number.

809036141 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 can be written as a sum of positive squares in only one way, i.e., 808208041 + 828100 = 28429^2 + 910^2 .

It is a cyclic number.

It is not a de Polignac number, because 809036141 - 2²² = 804841837 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 809036098 and 809036107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (809036147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404518070 + 404518071.

It is an arithmetic number, because the mean of its divisors is an integer number (404518071).

Almost surely, 2^809036141 is an apocalyptic number.

It is an amenable number.

809036141 is a deficient number, since it is larger than the sum of its proper divisors (1).

809036141 is an equidigital number, since it uses as much as digits as its factorization.

809036141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 809036141 is about 28443.5606245069. The cubic root of 809036141 is about 931.7998600896.

The spelling of 809036141 in words is "eight hundred nine million, thirty-six thousand, one hundred forty-one".