130540205 has 8 divisors (see below), whose sum is σ = 156912504. Its totient is φ = 104256000.

The previous prime is 130540171. The next prime is 130540213. The reversal of 130540205 is 502045031.

It can be written as a sum of positive squares in 4 ways, for example, as 22005481 + 108534724 = 4691^2 + 10418^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130540205 - 2⁶ = 130540141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 18716 + ... + 24725.

It is an arithmetic number, because the mean of its divisors is an integer number (19614063).

Almost surely, 2^130540205 is an apocalyptic number.

It is an amenable number.

130540205 is a deficient number, since it is larger than the sum of its proper divisors (26372299).

130540205 is an equidigital number, since it uses as much as digits as its factorization.

130540205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44047.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 130540205 is about 11425.4192483252. The cubic root of 130540205 is about 507.2804165438.

Adding to 130540205 its reverse (502045031), we get a palindrome (632585236).

The spelling of 130540205 in words is "one hundred thirty million, five hundred forty thousand, two hundred five".