1380066375 has 32 divisors (see below), whose sum is σ = 2431525824. Its totient is φ = 692736000.

The previous prime is 1380066319. The next prime is 1380066377. The reversal of 1380066375 is 5736600831.

It is not a de Polignac number, because 1380066375 - 2⁸ = 1380066119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380066377) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 101866 + ... + 114615.

It is an arithmetic number, because the mean of its divisors is an integer number (75985182).

Almost surely, 2^1380066375 is an apocalyptic number.

1380066375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1380066375 is a deficient number, since it is larger than the sum of its proper divisors (1051459449).

1380066375 is a wasteful number, since it uses less digits than its factorization.

1380066375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216516 (or 216506 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1380066375 is about 37149.2446087400. The cubic root of 1380066375 is about 1113.3541309197.

The spelling of 1380066375 in words is "one billion, three hundred eighty million, sixty-six thousand, three hundred seventy-five".