1300163785 has 4 divisors (see below), whose sum is σ = 1560196548. Its totient is φ = 1040131024.

The previous prime is 1300163779. The next prime is 1300163797. The reversal of 1300163785 is 5873610031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5873610031 = 1543 ⋅3806617.

It can be written as a sum of positive squares in 2 ways, for example, as 178382736 + 1121781049 = 13356^2 + 33493^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300163785 - 2¹⁵ = 1300131017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1300163785.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 130016374 + ... + 130016383.

It is an arithmetic number, because the mean of its divisors is an integer number (390049137).

Almost surely, 2^1300163785 is an apocalyptic number.

It is an amenable number.

1300163785 is a deficient number, since it is larger than the sum of its proper divisors (260032763).

1300163785 is an equidigital number, since it uses as much as digits as its factorization.

1300163785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260032762.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1300163785 is about 36057.7839723963. The cubic root of 1300163785 is about 1091.4387154398.

The spelling of 1300163785 in words is "one billion, three hundred million, one hundred sixty-three thousand, seven hundred eighty-five".