1300013143 has 16 divisors (see below), whose sum is σ = 1529069472. Its totient is φ = 1089648000.

The previous prime is 1300013129. The next prime is 1300013149. The reversal of 1300013143 is 3413100031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1300013143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300013149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129733 + ... + 139393.

It is an arithmetic number, because the mean of its divisors is an integer number (95566842).

Almost surely, 2^1300013143 is an apocalyptic number.

1300013143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1300013143 is a deficient number, since it is larger than the sum of its proper divisors (229056329).

1300013143 is a wasteful number, since it uses less digits than its factorization.

1300013143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10626.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1300013143 is about 36055.6950147962. The cubic root of 1300013143 is about 1091.3965610427.

Adding to 1300013143 its reverse (3413100031), we get a palindrome (4713113174).

The spelling of 1300013143 in words is "one billion, three hundred million, thirteen thousand, one hundred forty-three".