2136520241 has 2 divisors, whose sum is σ = 2136520242. Its totient is φ = 2136520240.

The previous prime is 2136520223. The next prime is 2136520261. The reversal of 2136520241 is 1420256312.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1585632400 + 550887841 = 39820^2 + 23471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136520241 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2136520241.

It is not a weakly prime, because it can be changed into another prime (2136520201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068260120 + 1068260121.

It is an arithmetic number, because the mean of its divisors is an integer number (1068260121).

Almost surely, 2^2136520241 is an apocalyptic number.

It is an amenable number.

2136520241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136520241 is an equidigital number, since it uses as much as digits as its factorization.

2136520241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2136520241 is about 46222.5079479684. The cubic root of 2136520241 is about 1287.9598866875.

Adding to 2136520241 its reverse (1420256312), we get a palindrome (3556776553).

The spelling of 2136520241 in words is "two billion, one hundred thirty-six million, five hundred twenty thousand, two hundred forty-one".