1140247013 has 2 divisors, whose sum is σ = 1140247014. Its totient is φ = 1140247012.

The previous prime is 1140246997. The next prime is 1140247037. The reversal of 1140247013 is 3107420411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 857435524 + 282811489 = 29282^2 + 16817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140247013 - 2⁴ = 1140246997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1140247013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140247313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570123506 + 570123507.

It is an arithmetic number, because the mean of its divisors is an integer number (570123507).

Almost surely, 2^1140247013 is an apocalyptic number.

It is an amenable number.

1140247013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140247013 is an equidigital number, since it uses as much as digits as its factorization.

1140247013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1140247013 is about 33767.5437809741. The cubic root of 1140247013 is about 1044.7193718502.

Adding to 1140247013 its reverse (3107420411), we get a palindrome (4247667424).

The spelling of 1140247013 in words is "one billion, one hundred forty million, two hundred forty-seven thousand, thirteen".