1391119089 has 8 divisors (see below), whose sum is σ = 1868170080. Its totient is φ = 920740416.

The previous prime is 1391119087. The next prime is 1391119111. The reversal of 1391119089 is 9809111931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1391119089 - 2¹ = 1391119087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1391119089.

It is not an unprimeable number, because it can be changed into a prime (1391119087) 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 7 ways as a sum of consecutive naturals, for example, 1667592 + ... + 1668425.

It is an arithmetic number, because the mean of its divisors is an integer number (233521260).

Almost surely, 2^1391119089 is an apocalyptic number.

It is an amenable number.

1391119089 is a deficient number, since it is larger than the sum of its proper divisors (477050991).

1391119089 is a wasteful number, since it uses less digits than its factorization.

1391119089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336159.

The product of its (nonzero) digits is 17496, while the sum is 42.

The square root of 1391119089 is about 37297.7088974645. The cubic root of 1391119089 is about 1116.3184518874.

The spelling of 1391119089 in words is "one billion, three hundred ninety-one million, one hundred nineteen thousand, eighty-nine".