1140618529 has 2 divisors, whose sum is σ = 1140618530. Its totient is φ = 1140618528.

The previous prime is 1140618487. The next prime is 1140618541. The reversal of 1140618529 is 9258160411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1130506129 + 10112400 = 33623^2 + 3180^2 .

It is an emirp because it is prime and its reverse (9258160411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140618529 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140618029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570309264 + 570309265.

It is an arithmetic number, because the mean of its divisors is an integer number (570309265).

Almost surely, 2^1140618529 is an apocalyptic number.

It is an amenable number.

1140618529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140618529 is an equidigital number, since it uses as much as digits as its factorization.

1140618529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 1140618529 is about 33773.0444141478. The cubic root of 1140618529 is about 1044.8328232374.

The spelling of 1140618529 in words is "one billion, one hundred forty million, six hundred eighteen thousand, five hundred twenty-nine".