1380986208 has 108 divisors (see below), whose sum is σ = 4568398380. Its totient is φ = 394563456.

The previous prime is 1380986203. The next prime is 1380986213. The reversal of 1380986208 is 8026890831.

1380986208 is a `hidden beast` number, since 13 + 8 + 0 + 9 + 8 + 620 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1380986203) and next prime (1380986213).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380986203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34818 + ... + 63041.

It is an arithmetic number, because the mean of its divisors is an integer number (42299985).

Almost surely, 2^1380986208 is an apocalyptic number.

1380986208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1380986208 is an abundant number, since it is smaller than the sum of its proper divisors (3187412172).

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

1380986208 is a wasteful number, since it uses less digits than its factorization.

1380986208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97889 (or 97871 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1380986208 is about 37161.6227848031. The cubic root of 1380986208 is about 1113.6014312060.

The spelling of 1380986208 in words is "one billion, three hundred eighty million, nine hundred eighty-six thousand, two hundred eight".