1391110214 has 16 divisors (see below), whose sum is σ = 2253218352. Its totient is φ = 640325088.

The previous prime is 1391110199. The next prime is 1391110223. The reversal of 1391110214 is 4120111931.

It is a self number, because there is not a number n which added to its sum of digits gives 1391110214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62024 + ... + 81419.

It is an arithmetic number, because the mean of its divisors is an integer number (140826147).

Almost surely, 2^1391110214 is an apocalyptic number.

1391110214 is a deficient number, since it is larger than the sum of its proper divisors (862108138).

1391110214 is a wasteful number, since it uses less digits than its factorization.

1391110214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143831.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1391110214 is about 37297.5899221384. The cubic root of 1391110214 is about 1116.3160779360.

The spelling of 1391110214 in words is "one billion, three hundred ninety-one million, one hundred ten thousand, two hundred fourteen".