1140344371 has 2 divisors, whose sum is σ = 1140344372. Its totient is φ = 1140344370.

The previous prime is 1140344363. The next prime is 1140344407. The reversal of 1140344371 is 1734430411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1140344371 - 2³ = 1140344363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140344311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570172185 + 570172186.

It is an arithmetic number, because the mean of its divisors is an integer number (570172186).

Almost surely, 2^1140344371 is an apocalyptic number.

1140344371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140344371 is an equidigital number, since it uses as much as digits as its factorization.

1140344371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1140344371 is about 33768.9853415823. The cubic root of 1140344371 is about 1044.7491048504.

Adding to 1140344371 its reverse (1734430411), we get a palindrome (2874774782).

The spelling of 1140344371 in words is "one billion, one hundred forty million, three hundred forty-four thousand, three hundred seventy-one".