1139702771 has 2 divisors, whose sum is σ = 1139702772. Its totient is φ = 1139702770.

The previous prime is 1139702747. The next prime is 1139702819. The reversal of 1139702771 is 1772079311.

It is a weak prime.

It is an emirp because it is prime and its reverse (1772079311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1139702771 is a prime.

It is not a weakly prime, because it can be changed into another prime (1139702701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569851385 + 569851386.

It is an arithmetic number, because the mean of its divisors is an integer number (569851386).

Almost surely, 2^1139702771 is an apocalyptic number.

1139702771 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139702771 is an equidigital number, since it uses as much as digits as its factorization.

1139702771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522, while the sum is 38.

The square root of 1139702771 is about 33759.4841637132. The cubic root of 1139702771 is about 1044.5531299046.

The spelling of 1139702771 in words is "one billion, one hundred thirty-nine million, seven hundred two thousand, seven hundred seventy-one".