1375975952 has 20 divisors (see below), whose sum is σ = 2871027180. Its totient is φ = 635065728.

The previous prime is 1375975921. The next prime is 1375975961. The reversal of 1375975952 is 2595795731.

It can be written as a sum of positive squares in 2 ways, for example, as 710542336 + 665433616 = 26656^2 + 25796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1375975894 and 1375975903.

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, 3307427 + ... + 3307842.

It is an arithmetic number, because the mean of its divisors is an integer number (143551359).

Almost surely, 2^1375975952 is an apocalyptic number.

It is an amenable number.

1375975952 is an abundant number, since it is smaller than the sum of its proper divisors (1495051228).

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

1375975952 is a wasteful number, since it uses less digits than its factorization.

1375975952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615290 (or 6615284 counting only the distinct ones).

The product of its digits is 2976750, while the sum is 53.

The square root of 1375975952 is about 37094.1498352503. The cubic root of 1375975952 is about 1112.2530737079.

The spelling of 1375975952 in words is "one billion, three hundred seventy-five million, nine hundred seventy-five thousand, nine hundred fifty-two".