130279069 has 2 divisors, whose sum is σ = 130279070. Its totient is φ = 130279068.

The previous prime is 130279063. The next prime is 130279087. The reversal of 130279069 is 960972031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130256569 + 22500 = 11413^2 + 150^2 .

It is an emirp because it is prime and its reverse (960972031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130279069 - 2⁹ = 130278557 is a prime.

It is a super-2 number, since 2×130279069² = 33945271639013522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130279063) 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, 65139534 + 65139535.

It is an arithmetic number, because the mean of its divisors is an integer number (65139535).

Almost surely, 2^130279069 is an apocalyptic number.

It is an amenable number.

130279069 is a deficient number, since it is larger than the sum of its proper divisors (1).

130279069 is an equidigital number, since it uses as much as digits as its factorization.

130279069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 130279069 is about 11413.9856754773. The cubic root of 130279069 is about 506.9419317867.

The spelling of 130279069 in words is "one hundred thirty million, two hundred seventy-nine thousand, sixty-nine".