132871729 has 3 divisors (see below), whose sum is σ = 132883257. Its totient is φ = 132860202.

The previous prime is 132871727. The next prime is 132871747. The reversal of 132871729 is 927178231.

It is a happy number.

The square root of 132871729 is 11527.

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.

It is not a de Polignac number, because 132871729 - 2¹ = 132871727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132871691 and 132871700.

It is not an unprimeable number, because it can be changed into a prime (132871721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5764 + ... + 17290.

It is an arithmetic number, because the mean of its divisors is an integer number (44294419).

Almost surely, 2^132871729 is an apocalyptic number.

132871729 is the 11527-th square number.

132871729 is the 5764-th centered octagonal number.

It is an amenable number.

132871729 is a deficient number, since it is larger than the sum of its proper divisors (11528).

132871729 is an frugal number, since it uses more digits than its factorization.

132871729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23054 (or 11527 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The cubic root of 132871729 is about 510.2827203425.

The spelling of 132871729 in words is "one hundred thirty-two million, eight hundred seventy-one thousand, seven hundred twenty-nine".