1170765139 has 2 divisors, whose sum is σ = 1170765140. Its totient is φ = 1170765138.

The previous prime is 1170765109. The next prime is 1170765151. The reversal of 1170765139 is 9315670711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1170765139 - 2⁵ = 1170765107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1170765109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585382569 + 585382570.

It is an arithmetic number, because the mean of its divisors is an integer number (585382570).

Almost surely, 2^1170765139 is an apocalyptic number.

1170765139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170765139 is an equidigital number, since it uses as much as digits as its factorization.

1170765139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 1170765139 is about 34216.4454465978. The cubic root of 1170765139 is about 1053.9578934243.

The spelling of 1170765139 in words is "one billion, one hundred seventy million, seven hundred sixty-five thousand, one hundred thirty-nine".