130729 has 2 divisors, whose sum is σ = 130730. Its totient is φ = 130728.

The previous prime is 130699. The next prime is 130769. The reversal of 130729 is 927031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115600 + 15129 = 340^2 + 123^2 .

It is a cyclic number.

It is not a de Polignac number, because 130729 - 2¹⁵ = 97961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65364 + 65365.

It is an arithmetic number, because the mean of its divisors is an integer number (65365).

2¹³⁰⁷²⁹ is an apocalyptic number.

It is an amenable number.

130729 is a deficient number, since it is larger than the sum of its proper divisors (1).

130729 is an equidigital number, since it uses as much as digits as its factorization.

130729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 130729 is about 361.5646553523. The cubic root of 130729 is about 50.7524851768.

The spelling of 130729 in words is "one hundred thirty thousand, seven hundred twenty-nine".