1391119088 has 10 divisors (see below), whose sum is σ = 2695293264.
Its totient is φ = 695559536.
The previous prime is 1391119087. The next prime is 1391119111. The reversal of 1391119088 is 8809111931.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1391119087) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43472456 + ... + 43472487.
Almost surely, 21391119088 is an apocalyptic number.
It is an amenable number.
1391119088 is a deficient number, since it is larger than the sum of its proper divisors (1304174176).
1391119088 is an equidigital number, since it uses as much as digits as its factorization.
1391119088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86944951 (or 86944945 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 41.
The square root of 1391119088 is about 37297.7088840588.
The cubic root of 1391119088 is about 1116.3184516199.
The spelling of 1391119088 in words is "one billion, three hundred ninety-one million, one hundred nineteen thousand, eighty-eight".