130434529 has 2 divisors, whose sum is σ = 130434530. Its totient is φ = 130434528.

The previous prime is 130434527. The next prime is 130434533. The reversal of 130434529 is 925434031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102556129 + 27878400 = 10127^2 + 5280^2 .

It is an emirp because it is prime and its reverse (925434031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130434529 - 2¹ = 130434527 is a prime.

Together with 130434527, it forms a pair of twin primes.

It is equal to p_7401379 and since 130434529 and 7401379 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130434529.

It is not a weakly prime, because it can be changed into another prime (130434527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65217264 + 65217265.

It is an arithmetic number, because the mean of its divisors is an integer number (65217265).

Almost surely, 2^130434529 is an apocalyptic number.

It is an amenable number.

130434529 is a deficient number, since it is larger than the sum of its proper divisors (1).

130434529 is an equidigital number, since it uses as much as digits as its factorization.

130434529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 130434529 is about 11420.7937114721. The cubic root of 130434529 is about 507.1434936257.

The spelling of 130434529 in words is "one hundred thirty million, four hundred thirty-four thousand, five hundred twenty-nine".