1139522768 has 10 divisors (see below), whose sum is σ = 2207825394. Its totient is φ = 569761376.

The previous prime is 1139522743. The next prime is 1139522779. The reversal of 1139522768 is 8672259311.

It can be written as a sum of positive squares in only one way, i.e., 669153424 + 470369344 = 25868^2 + 21688^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35610071 + ... + 35610102.

Almost surely, 2^1139522768 is an apocalyptic number.

It is an amenable number.

1139522768 is a deficient number, since it is larger than the sum of its proper divisors (1068302626).

1139522768 is an equidigital number, since it uses as much as digits as its factorization.

1139522768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71220181 (or 71220175 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 1139522768 is about 33756.8180964972. The cubic root of 1139522768 is about 1044.4981352746.

The spelling of 1139522768 in words is "one billion, one hundred thirty-nine million, five hundred twenty-two thousand, seven hundred sixty-eight".