1169381339 has 4 divisors (see below), whose sum is σ = 1336435824. Its totient is φ = 1002326856.

The previous prime is 1169381327. The next prime is 1169381383. The reversal of 1169381339 is 9331839611.

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

It is a cyclic number.

It is not a de Polignac number, because 1169381339 - 2¹² = 1169377243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1169381339.

It is not an unprimeable number, because it can be changed into a prime (1169381399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83527232 + ... + 83527245.

It is an arithmetic number, because the mean of its divisors is an integer number (334108956).

Almost surely, 2^1169381339 is an apocalyptic number.

1169381339 is a deficient number, since it is larger than the sum of its proper divisors (167054485).

1169381339 is an equidigital number, since it uses as much as digits as its factorization.

1169381339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167054484.

The product of its digits is 104976, while the sum is 44.

The square root of 1169381339 is about 34196.2181973387. The cubic root of 1169381339 is about 1053.5424836267.

The spelling of 1169381339 in words is "one billion, one hundred sixty-nine million, three hundred eighty-one thousand, three hundred thirty-nine".