130134481 has 2 divisors, whose sum is σ = 130134482. Its totient is φ = 130134480.

The previous prime is 130134479. The next prime is 130134601. The reversal of 130134481 is 184431031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114062400 + 16072081 = 10680^2 + 4009^2 .

It is an emirp because it is prime and its reverse (184431031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130134481 - 2¹ = 130134479 is a prime.

It is a super-2 number, since 2×130134481² = 33869966290278722, which contains 22 as substring.

Together with 130134479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (130134421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65067240 + 65067241.

It is an arithmetic number, because the mean of its divisors is an integer number (65067241).

Almost surely, 2^130134481 is an apocalyptic number.

It is an amenable number.

130134481 is a deficient number, since it is larger than the sum of its proper divisors (1).

130134481 is an equidigital number, since it uses as much as digits as its factorization.

130134481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 130134481 is about 11407.6501085894. The cubic root of 130134481 is about 506.7543220824.

The spelling of 130134481 in words is "one hundred thirty million, one hundred thirty-four thousand, four hundred eighty-one".