1375791568 has 10 divisors (see below), whose sum is σ = 2665596194. Its totient is φ = 687895776.

The previous prime is 1375791541. The next prime is 1375791583. The reversal of 1375791568 is 8651975731.

It can be written as a sum of positive squares in only one way, i.e., 716739984 + 659051584 = 26772^2 + 25672^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 42993471 + ... + 42993502.

Almost surely, 2^1375791568 is an apocalyptic number.

It is an amenable number.

1375791568 is a deficient number, since it is larger than the sum of its proper divisors (1289804626).

1375791568 is an equidigital number, since it uses as much as digits as its factorization.

1375791568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85986981 (or 85986975 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 52.

The square root of 1375791568 is about 37091.6644005092. The cubic root of 1375791568 is about 1112.2033899831.

The spelling of 1375791568 in words is "one billion, three hundred seventy-five million, seven hundred ninety-one thousand, five hundred sixty-eight".