1361838241 has 2 divisors, whose sum is σ = 1361838242. Its totient is φ = 1361838240.

The previous prime is 1361838199. The next prime is 1361838271. The reversal of 1361838241 is 1428381631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1260534016 + 101304225 = 35504^2 + 10065^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361838241 - 2¹¹ = 1361836193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1361838241.

It is not a weakly prime, because it can be changed into another prime (1361838271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680919120 + 680919121.

It is an arithmetic number, because the mean of its divisors is an integer number (680919121).

Almost surely, 2^1361838241 is an apocalyptic number.

It is an amenable number.

1361838241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361838241 is an equidigital number, since it uses as much as digits as its factorization.

1361838241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 37.

The square root of 1361838241 is about 36903.0925668839. The cubic root of 1361838241 is about 1108.4306044063.

The spelling of 1361838241 in words is "one billion, three hundred sixty-one million, eight hundred thirty-eight thousand, two hundred forty-one".