130773509 has 2 divisors, whose sum is σ = 130773510. Its totient is φ = 130773508.

The previous prime is 130773497. The next prime is 130773521. The reversal of 130773509 is 905377031.

It is a balanced prime because it is at equal distance from previous prime (130773497) and next prime (130773521).

It can be written as a sum of positive squares in only one way, i.e., 114597025 + 16176484 = 10705^2 + 4022^2 .

It is a cyclic number.

It is not a de Polignac number, because 130773509 - 2⁴ = 130773493 is a prime.

It is a Chen prime.

It is equal to p_7419527 and since 130773509 and 7419527 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130773529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65386754 + 65386755.

It is an arithmetic number, because the mean of its divisors is an integer number (65386755).

Almost surely, 2^130773509 is an apocalyptic number.

It is an amenable number.

130773509 is a deficient number, since it is larger than the sum of its proper divisors (1).

130773509 is an equidigital number, since it uses as much as digits as its factorization.

130773509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 130773509 is about 11435.6245566213. The cubic root of 130773509 is about 507.5824438364.

The spelling of 130773509 in words is "one hundred thirty million, seven hundred seventy-three thousand, five hundred nine".