1391518114 has 8 divisors (see below), whose sum is σ = 2385459648. Its totient is φ = 596364900.

The previous prime is 1391518103. The next prime is 1391518129. The reversal of 1391518114 is 4118151931.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1391518114.

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, 49697062 + ... + 49697089.

It is an arithmetic number, because the mean of its divisors is an integer number (298182456).

Almost surely, 2^1391518114 is an apocalyptic number.

1391518114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1391518114 is a deficient number, since it is larger than the sum of its proper divisors (993941534).

1391518114 is an equidigital number, since it uses as much as digits as its factorization.

1391518114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99394160.

The product of its digits is 4320, while the sum is 34.

The square root of 1391518114 is about 37303.0577030892. The cubic root of 1391518114 is about 1116.4251756494.

The spelling of 1391518114 in words is "one billion, three hundred ninety-one million, five hundred eighteen thousand, one hundred fourteen".