1391119108 has 12 divisors (see below), whose sum is σ = 2436179200.
Its totient is φ = 695067912.
The previous prime is 1391119087. The next prime is 1391119111. The reversal of 1391119108 is 8019111931.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116508 + ... + 127891.
Almost surely, 21391119108 is an apocalyptic number.
It is an amenable number.
1391119108 is a deficient number, since it is larger than the sum of its proper divisors (1045060092).
1391119108 is a wasteful number, since it uses less digits than its factorization.
1391119108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245826 (or 245824 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 34.
The square root of 1391119108 is about 37297.7091521718.
The cubic root of 1391119108 is about 1116.3184569697.
The spelling of 1391119108 in words is "one billion, three hundred ninety-one million, one hundred nineteen thousand, one hundred eight".