1140513457 has 2 divisors, whose sum is σ = 1140513458. Its totient is φ = 1140513456.

The previous prime is 1140513433. The next prime is 1140513509. The reversal of 1140513457 is 7543150411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 682724641 + 457788816 = 26129^2 + 21396^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140513457 - 2¹⁵ = 1140480689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140516457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570256728 + 570256729.

It is an arithmetic number, because the mean of its divisors is an integer number (570256729).

Almost surely, 2^1140513457 is an apocalyptic number.

It is an amenable number.

1140513457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140513457 is an equidigital number, since it uses as much as digits as its factorization.

1140513457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1140513457 is about 33771.4888182325. The cubic root of 1140513457 is about 1044.8007394622.

Adding to 1140513457 its reverse (7543150411), we get a palindrome (8683663868).

The spelling of 1140513457 in words is "one billion, one hundred forty million, five hundred thirteen thousand, four hundred fifty-seven".