43135141 has 12 divisors (see below), whose sum is σ = 50354028. Its totient is φ = 36843072.

The previous prime is 43135139. The next prime is 43135193. The reversal of 43135141 is 14153134.

It can be written as a sum of positive squares in 2 ways, for example, as 4322241 + 38812900 = 2079^2 + 6230^2 .

It is not a de Polignac number, because 43135141 - 2¹ = 43135139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43135121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14145 + ... + 16921.

It is an arithmetic number, because the mean of its divisors is an integer number (4196169).

Almost surely, 2^43135141 is an apocalyptic number.

It is an amenable number.

43135141 is a deficient number, since it is larger than the sum of its proper divisors (7218887).

43135141 is a wasteful number, since it uses less digits than its factorization.

43135141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108 (or 3101 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 43135141 is about 6567.7348454395. The cubic root of 43135141 is about 350.7064398295.

Adding to 43135141 its reverse (14153134), we get a palindrome (57288275).

The spelling of 43135141 in words is "forty-three million, one hundred thirty-five thousand, one hundred forty-one".