43135132193 has 2 divisors, whose sum is σ = 43135132194. Its totient is φ = 43135132192.

The previous prime is 43135132169. The next prime is 43135132231. The reversal of 43135132193 is 39123153134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23823305104 + 19311827089 = 154348^2 + 138967^2 .

It is a cyclic number.

It is not a de Polignac number, because 43135132193 - 2¹⁴ = 43135115809 is a prime.

It is not a weakly prime, because it can be changed into another prime (43135132493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21567566096 + 21567566097.

It is an arithmetic number, because the mean of its divisors is an integer number (21567566097).

Almost surely, 2^43135132193 is an apocalyptic number.

It is an amenable number.

43135132193 is a deficient number, since it is larger than the sum of its proper divisors (1).

43135132193 is an equidigital number, since it uses as much as digits as its factorization.

43135132193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 35.

The spelling of 43135132193 in words is "forty-three billion, one hundred thirty-five million, one hundred thirty-two thousand, one hundred ninety-three".