130545169 has 2 divisors, whose sum is σ = 130545170. Its totient is φ = 130545168.

The previous prime is 130545161. The next prime is 130545251. The reversal of 130545169 is 961545031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100240144 + 30305025 = 10012^2 + 5505^2 .

It is a cyclic number.

It is not a de Polignac number, because 130545169 - 2³ = 130545161 is a prime.

It is a super-2 number, since 2×130545169² = 34084082298477122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130545161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65272584 + 65272585.

It is an arithmetic number, because the mean of its divisors is an integer number (65272585).

Almost surely, 2^130545169 is an apocalyptic number.

It is an amenable number.

130545169 is a deficient number, since it is larger than the sum of its proper divisors (1).

130545169 is an equidigital number, since it uses as much as digits as its factorization.

130545169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 130545169 is about 11425.6364811769. The cubic root of 130545169 is about 507.2868465119.

The spelling of 130545169 in words is "one hundred thirty million, five hundred forty-five thousand, one hundred sixty-nine".