1139710769 has 4 divisors (see below), whose sum is σ = 1139933796. Its totient is φ = 1139487744.

The previous prime is 1139710757. The next prime is 1139710813. The reversal of 1139710769 is 9670179311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 599613169 + 540097600 = 24487^2 + 23240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1139710769 is a prime.

It is a super-2 number, since 2×1139710769² = 2597881273949142722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1139710709) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 103664 + ... + 114129.

It is an arithmetic number, because the mean of its divisors is an integer number (284983449).

Almost surely, 2^1139710769 is an apocalyptic number.

It is an amenable number.

1139710769 is a deficient number, since it is larger than the sum of its proper divisors (223027).

1139710769 is an equidigital number, since it uses as much as digits as its factorization.

1139710769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223026.

The product of its (nonzero) digits is 71442, while the sum is 44.

The square root of 1139710769 is about 33759.6026191068. The cubic root of 1139710769 is about 1044.5555733242. Note that the first 4 decimals are identical.

The spelling of 1139710769 in words is "one billion, one hundred thirty-nine million, seven hundred ten thousand, seven hundred sixty-nine".