1375820132 has 24 divisors (see below), whose sum is σ = 2551958136. Its totient is φ = 646773248.

The previous prime is 1375820113. The next prime is 1375820189. The reversal of 1375820132 is 2310285731.

It can be written as a sum of positive squares in 4 ways, for example, as 16128256 + 1359691876 = 4016^2 + 36874^2 .

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 7 ways as a sum of consecutive naturals, for example, 58898 + ... + 78870.

It is an arithmetic number, because the mean of its divisors is an integer number (106331589).

Almost surely, 2^1375820132 is an apocalyptic number.

It is an amenable number.

1375820132 is a deficient number, since it is larger than the sum of its proper divisors (1176138004).

1375820132 is a wasteful number, since it uses less digits than its factorization.

1375820132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21007 (or 21005 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1375820132 is about 37092.0494445912. The cubic root of 1375820132 is about 1112.2110870690.

The spelling of 1375820132 in words is "one billion, three hundred seventy-five million, eight hundred twenty thousand, one hundred thirty-two".