1380871092 has 48 divisors (see below), whose sum is σ = 3302675712. Its totient is φ = 448842240.

The previous prime is 1380871073. The next prime is 1380871111. The reversal of 1380871092 is 2901780831.

It is an interprime number because it is at equal distance from previous prime (1380871073) and next prime (1380871111).

It is a self number, because there is not a number n which added to its sum of digits gives 1380871092.

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, 154128 + ... + 162840.

It is an arithmetic number, because the mean of its divisors is an integer number (68805744).

Almost surely, 2^1380871092 is an apocalyptic number.

1380871092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1380871092 is an abundant number, since it is smaller than the sum of its proper divisors (1921804620).

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

1380871092 is a wasteful number, since it uses less digits than its factorization.

1380871092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9048 (or 9046 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1380871092 is about 37160.0738965896. The cubic root of 1380871092 is about 1113.5704878836.

The spelling of 1380871092 in words is "one billion, three hundred eighty million, eight hundred seventy-one thousand, ninety-two".