1140051643 has 2 divisors, whose sum is σ = 1140051644. Its totient is φ = 1140051642.

The previous prime is 1140051589. The next prime is 1140051701. The reversal of 1140051643 is 3461500411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1140051643 - 2¹³ = 1140043451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140451643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570025821 + 570025822.

It is an arithmetic number, because the mean of its divisors is an integer number (570025822).

Almost surely, 2^1140051643 is an apocalyptic number.

1140051643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140051643 is an equidigital number, since it uses as much as digits as its factorization.

1140051643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1140051643 is about 33764.6507904347. The cubic root of 1140051643 is about 1044.6597010129.

The spelling of 1140051643 in words is "one billion, one hundred forty million, fifty-one thousand, six hundred forty-three".