1380871132 has 24 divisors (see below), whose sum is σ = 2545275600. Its totient is φ = 653694336.

The previous prime is 1380871111. The next prime is 1380871157. The reversal of 1380871132 is 2311780831.

It is a super-2 number, since 2×1380871132² = 3813610166381922848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145344 + ... + 154552.

It is an arithmetic number, because the mean of its divisors is an integer number (106053150).

Almost surely, 2^1380871132 is an apocalyptic number.

It is an amenable number.

1380871132 is a deficient number, since it is larger than the sum of its proper divisors (1164404468).

1380871132 is a wasteful number, since it uses less digits than its factorization.

1380871132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11205 (or 11203 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1380871132 is about 37160.0744348017. The cubic root of 1380871132 is about 1113.5704986360.

The spelling of 1380871132 in words is "one billion, three hundred eighty million, eight hundred seventy-one thousand, one hundred thirty-two".