1300640313 has 24 divisors (see below), whose sum is σ = 1994093248. Its totient is φ = 738688608.

The previous prime is 1300640219. The next prime is 1300640323. The reversal of 1300640313 is 3130460031.

It is not a de Polignac number, because 1300640313 - 2⁹ = 1300639801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1300640313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300640323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 671895 + ... + 673827.

Almost surely, 2^1300640313 is an apocalyptic number.

It is an amenable number.

1300640313 is a deficient number, since it is larger than the sum of its proper divisors (693452935).

1300640313 is an equidigital number, since it uses as much as digits as its factorization.

1300640313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301 (or 2122 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1300640313 is about 36064.3912051763. The cubic root of 1300640313 is about 1091.5720416114.

The spelling of 1300640313 in words is "one billion, three hundred million, six hundred forty thousand, three hundred thirteen".