130545239 has 4 divisors (see below), whose sum is σ = 142413000. Its totient is φ = 118677480.

The previous prime is 130545169. The next prime is 130545251. The reversal of 130545239 is 932545031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130545239 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 (130545739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5933864 + ... + 5933885.

It is an arithmetic number, because the mean of its divisors is an integer number (35603250).

Almost surely, 2^130545239 is an apocalyptic number.

130545239 is a deficient number, since it is larger than the sum of its proper divisors (11867761).

130545239 is a wasteful number, since it uses less digits than its factorization.

130545239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11867760.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 130545239 is about 11425.6395444631. The cubic root of 130545239 is about 507.2869371831.

The spelling of 130545239 in words is "one hundred thirty million, five hundred forty-five thousand, two hundred thirty-nine".