1013129143 has 6 divisors (see below), whose sum is σ = 1097057184. Its totient is φ = 935195976.

The previous prime is 1013129129. The next prime is 1013129189. The reversal of 1013129143 is 3419213101.

It is not a de Polignac number, because 1013129143 - 2¹⁷ = 1012998071 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 (1013129443) 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 5 ways as a sum of consecutive naturals, for example, 2997255 + ... + 2997592.

It is an arithmetic number, because the mean of its divisors is an integer number (182842864).

Almost surely, 2^1013129143 is an apocalyptic number.

1013129143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1013129143 is a deficient number, since it is larger than the sum of its proper divisors (83928041).

1013129143 is an equidigital number, since it uses as much as digits as its factorization.

1013129143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5994873 (or 5994860 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1013129143 is about 31829.6896466177. The cubic root of 1013129143 is about 1004.3573667775.

The spelling of 1013129143 in words is "one billion, thirteen million, one hundred twenty-nine thousand, one hundred forty-three".