1380698760 has 128 divisors (see below), whose sum is σ = 4823297280. Its totient is φ = 309623808.

The previous prime is 1380698723. The next prime is 1380698857. The reversal of 1380698760 is 678960831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29014 + ... + 60026.

It is an arithmetic number, because the mean of its divisors is an integer number (37682010).

Almost surely, 2^1380698760 is an apocalyptic number.

1380698760 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 1380698760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2411648640).

1380698760 is an abundant number, since it is smaller than the sum of its proper divisors (3442598520).

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

1380698760 is a wasteful number, since it uses less digits than its factorization.

1380698760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31087 (or 31083 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 1380698760 is about 37157.7550452123. The cubic root of 1380698760 is about 1113.5241616156.

The spelling of 1380698760 in words is "one billion, three hundred eighty million, six hundred ninety-eight thousand, seven hundred sixty".