1140134431 has 2 divisors, whose sum is σ = 1140134432. Its totient is φ = 1140134430.

The previous prime is 1140134423. The next prime is 1140134447. The reversal of 1140134431 is 1344310411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1140134431 - 2³ = 1140134423 is a prime.

It is a super-2 number, since 2×1140134431² = 2599813041503387522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140134531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570067215 + 570067216.

It is an arithmetic number, because the mean of its divisors is an integer number (570067216).

Almost surely, 2^1140134431 is an apocalyptic number.

1140134431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140134431 is an equidigital number, since it uses as much as digits as its factorization.

1140134431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1140134431 is about 33765.8767248831. The cubic root of 1140134431 is about 1044.6849873510.

Adding to 1140134431 its reverse (1344310411), we get a palindrome (2484444842).

The spelling of 1140134431 in words is "one billion, one hundred forty million, one hundred thirty-four thousand, four hundred thirty-one".