1139018653 has 2 divisors, whose sum is σ = 1139018654. Its totient is φ = 1139018652.

The previous prime is 1139018651. The next prime is 1139018689. The reversal of 1139018653 is 3568109311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 782488729 + 356529924 = 27973^2 + 18882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139018653 - 2¹ = 1139018651 is a prime.

Together with 1139018651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139018651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569509326 + 569509327.

It is an arithmetic number, because the mean of its divisors is an integer number (569509327).

Almost surely, 2^1139018653 is an apocalyptic number.

It is an amenable number.

1139018653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139018653 is an equidigital number, since it uses as much as digits as its factorization.

1139018653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1139018653 is about 33749.3504085634. The cubic root of 1139018653 is about 1044.3440869139.

The spelling of 1139018653 in words is "one billion, one hundred thirty-nine million, eighteen thousand, six hundred fifty-three".