130434517 has 4 divisors (see below), whose sum is σ = 130879980. Its totient is φ = 129989056.

The previous prime is 130434497. The next prime is 130434527. The reversal of 130434517 is 715434031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54552996 + 75881521 = 7386^2 + 8711^2 .

It is a cyclic number.

It is not a de Polignac number, because 130434517 - 2⁷ = 130434389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130434527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222292 + ... + 222877.

It is an arithmetic number, because the mean of its divisors is an integer number (32719995).

Almost surely, 2^130434517 is an apocalyptic number.

It is an amenable number.

130434517 is a deficient number, since it is larger than the sum of its proper divisors (445463).

130434517 is an equidigital number, since it uses as much as digits as its factorization.

130434517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445462.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 130434517 is about 11420.7931861145. The cubic root of 130434517 is about 507.1434780733.

Adding to 130434517 its reverse (715434031), we get a palindrome (845868548).

The spelling of 130434517 in words is "one hundred thirty million, four hundred thirty-four thousand, five hundred seventeen".