131427329 has 8 divisors (see below), whose sum is σ = 143630688. Its totient is φ = 119266560.

The previous prime is 131427301. The next prime is 131427341. The reversal of 131427329 is 923724131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131427329 - 2²⁰ = 130378753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131427295 and 131427304.

It is not an unprimeable number, because it can be changed into a prime (131427379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4007 + ... + 16700.

It is an arithmetic number, because the mean of its divisors is an integer number (17953836).

Almost surely, 2^131427329 is an apocalyptic number.

It is an amenable number.

131427329 is a deficient number, since it is larger than the sum of its proper divisors (12203359).

131427329 is a wasteful number, since it uses less digits than its factorization.

131427329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21295.

The product of its digits is 9072, while the sum is 32.

The square root of 131427329 is about 11464.1758971153. The cubic root of 131427329 is about 508.4269472191.

The spelling of 131427329 in words is "one hundred thirty-one million, four hundred twenty-seven thousand, three hundred twenty-nine".