13820143875 has 32 divisors (see below), whose sum is σ = 23004393984. Its totient is φ = 7368284000.

The previous prime is 13820143853. The next prime is 13820143879. The reversal of 13820143875 is 57834102831.

It is not a de Polignac number, because 13820143875 - 2⁷ = 13820143747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13820143879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1935562 + ... + 1942688.

It is an arithmetic number, because the mean of its divisors is an integer number (718887312).

Almost surely, 2^13820143875 is an apocalyptic number.

13820143875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13820143875 is a deficient number, since it is larger than the sum of its proper divisors (9184250109).

13820143875 is an equidigital number, since it uses as much as digits as its factorization.

13820143875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12316 (or 12306 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 13820143875 in words is "thirteen billion, eight hundred twenty million, one hundred forty-three thousand, eight hundred seventy-five".