43130141 has 2 divisors, whose sum is σ = 43130142. Its totient is φ = 43130140.

The previous prime is 43130137. The next prime is 43130149. The reversal of 43130141 is 14103134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41088100 + 2042041 = 6410^2 + 1429^2 .

It is a cyclic number.

It is not a de Polignac number, because 43130141 - 2² = 43130137 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43130149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21565070 + 21565071.

It is an arithmetic number, because the mean of its divisors is an integer number (21565071).

Almost surely, 2^43130141 is an apocalyptic number.

It is an amenable number.

43130141 is a deficient number, since it is larger than the sum of its proper divisors (1).

43130141 is an equidigital number, since it uses as much as digits as its factorization.

43130141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 43130141 is about 6567.3541856672. The cubic root of 43130141 is about 350.6928886203.

Adding to 43130141 its reverse (14103134), we get a palindrome (57233275).

The spelling of 43130141 in words is "forty-three million, one hundred thirty thousand, one hundred forty-one".