1043135141 has 4 divisors (see below), whose sum is σ = 1043221452. Its totient is φ = 1043048832.

The previous prime is 1043135129. The next prime is 1043135153. The reversal of 1043135141 is 1415313401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (1043135129) and next prime (1043135153).

It can be written as a sum of positive squares in 2 ways, for example, as 655872100 + 387263041 = 25610^2 + 19679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043135141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043135111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21356 + ... + 50421.

It is an arithmetic number, because the mean of its divisors is an integer number (260805363).

Almost surely, 2^1043135141 is an apocalyptic number.

It is an amenable number.

1043135141 is a deficient number, since it is larger than the sum of its proper divisors (86311).

1043135141 is an equidigital number, since it uses as much as digits as its factorization.

1043135141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86310.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1043135141 is about 32297.6027128950. The cubic root of 1043135141 is about 1014.1764586628.

Adding to 1043135141 its reverse (1415313401), we get a palindrome (2458448542).

The spelling of 1043135141 in words is "one billion, forty-three million, one hundred thirty-five thousand, one hundred forty-one".