1140142313 has 2 divisors, whose sum is σ = 1140142314. Its totient is φ = 1140142312.

The previous prime is 1140142303. The next prime is 1140142319. The reversal of 1140142313 is 3132410411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 802758889 + 337383424 = 28333^2 + 18368^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140142313 - 2⁸ = 1140142057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1140142319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570071156 + 570071157.

It is an arithmetic number, because the mean of its divisors is an integer number (570071157).

Almost surely, 2^1140142313 is an apocalyptic number.

It is an amenable number.

1140142313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140142313 is an equidigital number, since it uses as much as digits as its factorization.

1140142313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1140142313 is about 33765.9934401463. The cubic root of 1140142313 is about 1044.6873947244.

Adding to 1140142313 its reverse (3132410411), we get a palindrome (4272552724).

The spelling of 1140142313 in words is "one billion, one hundred forty million, one hundred forty-two thousand, three hundred thirteen".