1375885732 has 12 divisors (see below), whose sum is σ = 2593015516. Its totient is φ = 635024160.

The previous prime is 1375885727. The next prime is 1375885747. The reversal of 1375885732 is 2375885731.

It can be written as a sum of positive squares in 2 ways, for example, as 491774976 + 884110756 = 22176^2 + 29734^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13229619 + ... + 13229722.

Almost surely, 2^1375885732 is an apocalyptic number.

It is an amenable number.

1375885732 is a deficient number, since it is larger than the sum of its proper divisors (1217129784).

1375885732 is a wasteful number, since it uses less digits than its factorization.

1375885732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26459358 (or 26459356 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 49.

The square root of 1375885732 is about 37092.9337205889. The cubic root of 1375885732 is about 1112.2287637711.

Subtracting 1375885732 from its reverse (2375885731), we obtain a palindrome (999999999).

The spelling of 1375885732 in words is "one billion, three hundred seventy-five million, eight hundred eighty-five thousand, seven hundred thirty-two".