1140806453 has 2 divisors, whose sum is σ = 1140806454. Its totient is φ = 1140806452.

The previous prime is 1140806423. The next prime is 1140806467. The reversal of 1140806453 is 3546080411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 808947364 + 331859089 = 28442^2 + 18217^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140806453 - 2⁸ = 1140806197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140806423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570403226 + 570403227.

It is an arithmetic number, because the mean of its divisors is an integer number (570403227).

Almost surely, 2^1140806453 is an apocalyptic number.

It is an amenable number.

1140806453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140806453 is an equidigital number, since it uses as much as digits as its factorization.

1140806453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1140806453 is about 33775.8264591705. The cubic root of 1140806453 is about 1044.8902009894.

Adding to 1140806453 its reverse (3546080411), we get a palindrome (4686886864).

The spelling of 1140806453 in words is "one billion, one hundred forty million, eight hundred six thousand, four hundred fifty-three".