130408769 has 2 divisors, whose sum is σ = 130408770. Its totient is φ = 130408768.

The previous prime is 130408727. The next prime is 130408777. The reversal of 130408769 is 967804031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128482225 + 1926544 = 11335^2 + 1388^2 .

It is a cyclic number.

It is not a de Polignac number, because 130408769 - 2²⁰ = 129360193 is a prime.

It is a super-2 number, since 2×130408769² = 34012894064190722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130408169) 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 as a sum of consecutive naturals, namely, 65204384 + 65204385.

It is an arithmetic number, because the mean of its divisors is an integer number (65204385).

Almost surely, 2^130408769 is an apocalyptic number.

It is an amenable number.

130408769 is a deficient number, since it is larger than the sum of its proper divisors (1).

130408769 is an equidigital number, since it uses as much as digits as its factorization.

130408769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 130408769 is about 11419.6658882824. The cubic root of 130408769 is about 507.1101055431.

The spelling of 130408769 in words is "one hundred thirty million, four hundred eight thousand, seven hundred sixty-nine".