1386968120 has 64 divisors (see below), whose sum is σ = 3374628480. Its totient is φ = 511031296.

The previous prime is 1386968119. The next prime is 1386968153. The reversal of 1386968120 is 218696831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10262 + ... + 53658.

It is an arithmetic number, because the mean of its divisors is an integer number (52728570).

Almost surely, 2^1386968120 is an apocalyptic number.

1386968120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1386968120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1687314240).

1386968120 is an abundant number, since it is smaller than the sum of its proper divisors (1987660360).

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

1386968120 is a wasteful number, since it uses less digits than its factorization.

1386968120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43472 (or 43468 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 1386968120 is about 37242.0208903867. The cubic root of 1386968120 is about 1115.2070157961.

The spelling of 1386968120 in words is "one billion, three hundred eighty-six million, nine hundred sixty-eight thousand, one hundred twenty".