1380841528 has 16 divisors (see below), whose sum is σ = 2824448760. Its totient is φ = 627655200.

The previous prime is 1380841519. The next prime is 1380841531. The reversal of 1380841528 is 8251480831.

It is a congruent number.

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, 7845603 + ... + 7845778.

Almost surely, 2^1380841528 is an apocalyptic number.

It is an amenable number.

1380841528 is an abundant number, since it is smaller than the sum of its proper divisors (1443607232).

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

1380841528 is a wasteful number, since it uses less digits than its factorization.

1380841528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15691398 (or 15691394 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 1380841528 is about 37159.6761019253. The cubic root of 1380841528 is about 1113.5625407665.

The spelling of 1380841528 in words is "one billion, three hundred eighty million, eight hundred forty-one thousand, five hundred twenty-eight".