1391119116 has 12 divisors (see below), whose sum is σ = 3245944632. Its totient is φ = 463706368.

The previous prime is 1391119111. The next prime is 1391119159. The reversal of 1391119116 is 6119111931.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1391119111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57963285 + ... + 57963308.

It is an arithmetic number, because the mean of its divisors is an integer number (270495386).

Almost surely, 2^1391119116 is an apocalyptic number.

It is an amenable number.

1391119116 is an abundant number, since it is smaller than the sum of its proper divisors (1854825516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1391119116 is a wasteful number, since it uses less digits than its factorization.

1391119116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115926600 (or 115926598 counting only the distinct ones).

The product of its digits is 1458, while the sum is 33.

The square root of 1391119116 is about 37297.7092594170. The cubic root of 1391119116 is about 1116.3184591096.

The spelling of 1391119116 in words is "one billion, three hundred ninety-one million, one hundred nineteen thousand, one hundred sixteen".