130843528729 has 3 divisors (see below), whose sum is σ = 130843890453. Its totient is φ = 130843167006.

The previous prime is 130843528691. The next prime is 130843528733. The reversal of 130843528729 is 927825348031.

It is a happy number.

The square root of 130843528729 is 361723.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 927825348031 = 5483 ⋅169218557.

It is not a de Polignac number, because 130843528729 - 2²⁵ = 130809974297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130843528759) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 180862 + ... + 542584.

It is an arithmetic number, because the mean of its divisors is an integer number (43614630151).

Almost surely, 2^130843528729 is an apocalyptic number.

130843528729 is the 361723-rd square number.

130843528729 is the 180862-nd centered octagonal number.

It is an amenable number.

130843528729 is a deficient number, since it is larger than the sum of its proper divisors (361724).

130843528729 is an frugal number, since it uses more digits than its factorization.

130843528729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723446 (or 361723 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 130843528729 in words is "one hundred thirty billion, eight hundred forty-three million, five hundred twenty-eight thousand, seven hundred twenty-nine".