130762729 has 2 divisors, whose sum is σ = 130762730. Its totient is φ = 130762728.

The previous prime is 130762727. The next prime is 130762763. The reversal of 130762729 is 927267031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98010000 + 32752729 = 9900^2 + 5723^2 .

It is a cyclic number.

It is not a de Polignac number, because 130762729 - 2¹ = 130762727 is a prime.

Together with 130762727, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (130762727) 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 as a sum of consecutive naturals, namely, 65381364 + 65381365.

It is an arithmetic number, because the mean of its divisors is an integer number (65381365).

Almost surely, 2^130762729 is an apocalyptic number.

It is an amenable number.

130762729 is a deficient number, since it is larger than the sum of its proper divisors (1).

130762729 is an equidigital number, since it uses as much as digits as its factorization.

130762729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 130762729 is about 11435.1532127908. The cubic root of 130762729 is about 507.5684963401.

The spelling of 130762729 in words is "one hundred thirty million, seven hundred sixty-two thousand, seven hundred twenty-nine".