4136343121 has 2 divisors, whose sum is σ = 4136343122. Its totient is φ = 4136343120.

The previous prime is 4136343119. The next prime is 4136343131. The reversal of 4136343121 is 1213436314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2161785025 + 1974558096 = 46495^2 + 44436^2 .

It is a cyclic number.

It is not a de Polignac number, because 4136343121 - 2¹ = 4136343119 is a prime.

Together with 4136343119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4136343121.

It is not a weakly prime, because it can be changed into another prime (4136343131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2068171560 + 2068171561.

It is an arithmetic number, because the mean of its divisors is an integer number (2068171561).

Almost surely, 2^4136343121 is an apocalyptic number.

It is an amenable number.

4136343121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4136343121 is an equidigital number, since it uses as much as digits as its factorization.

4136343121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 4136343121 is about 64314.4083468083. The cubic root of 4136343121 is about 1605.2358579767.

Adding to 4136343121 its reverse (1213436314), we get a palindrome (5349779435).

The spelling of 4136343121 in words is "four billion, one hundred thirty-six million, three hundred forty-three thousand, one hundred twenty-one".