130434305 has 8 divisors (see below), whose sum is σ = 157957800. Its totient is φ = 103389696.

The previous prime is 130434277. The next prime is 130434307. The reversal of 130434305 is 503434031.

It can be written as a sum of positive squares in 4 ways, for example, as 29953729 + 100480576 = 5473^2 + 10024^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 130434305 - 2²⁶ = 63325441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130434307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119120 + ... + 120209.

It is an arithmetic number, because the mean of its divisors is an integer number (19744725).

Almost surely, 2^130434305 is an apocalyptic number.

It is an amenable number.

130434305 is a deficient number, since it is larger than the sum of its proper divisors (27523495).

130434305 is a wasteful number, since it uses less digits than its factorization.

130434305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239443.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 130434305 is about 11420.7839047939. The cubic root of 130434305 is about 507.1432033135.

Adding to 130434305 its reverse (503434031), we get a palindrome (633868336).

The spelling of 130434305 in words is "one hundred thirty million, four hundred thirty-four thousand, three hundred five".