1140323237 has 2 divisors, whose sum is σ = 1140323238. Its totient is φ = 1140323236.

The previous prime is 1140323213. The next prime is 1140323273. The reversal of 1140323237 is 7323230411.

Together with next prime (1140323273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 918938596 + 221384641 = 30314^2 + 14879^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140323237 - 2¹⁰ = 1140322213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140328237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570161618 + 570161619.

It is an arithmetic number, because the mean of its divisors is an integer number (570161619).

Almost surely, 2^1140323237 is an apocalyptic number.

It is an amenable number.

1140323237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140323237 is an equidigital number, since it uses as much as digits as its factorization.

1140323237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 1140323237 is about 33768.6724198628. The cubic root of 1140323237 is about 1044.7426506994.

Adding to 1140323237 its reverse (7323230411), we get a palindrome (8463553648).

The spelling of 1140323237 in words is "one billion, one hundred forty million, three hundred twenty-three thousand, two hundred thirty-seven".