1140523313 has 2 divisors, whose sum is σ = 1140523314. Its totient is φ = 1140523312.

The previous prime is 1140523297. The next prime is 1140523343. The reversal of 1140523313 is 3133250411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1135892209 + 4631104 = 33703^2 + 2152^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140523313 - 2⁴ = 1140523297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140523343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570261656 + 570261657.

It is an arithmetic number, because the mean of its divisors is an integer number (570261657).

Almost surely, 2^1140523313 is an apocalyptic number.

It is an amenable number.

1140523313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140523313 is an equidigital number, since it uses as much as digits as its factorization.

1140523313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1140523313 is about 33771.6347398227. The cubic root of 1140523313 is about 1044.8037490793.

Adding to 1140523313 its reverse (3133250411), we get a palindrome (4273773724).

The spelling of 1140523313 in words is "one billion, one hundred forty million, five hundred twenty-three thousand, three hundred thirteen".