130526189 has 8 divisors (see below), whose sum is σ = 131663928. Its totient is φ = 129392640.

The previous prime is 130526183. The next prime is 130526203. The reversal of 130526189 is 981625031.

It can be written as a sum of positive squares in 4 ways, for example, as 78180964 + 52345225 = 8842^2 + 7235^2 .

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 130526189 - 2²⁰ = 129477613 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 (130526183) 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 7 ways as a sum of consecutive naturals, for example, 99989 + ... + 101285.

It is an arithmetic number, because the mean of its divisors is an integer number (16457991).

Almost surely, 2^130526189 is an apocalyptic number.

It is an amenable number.

130526189 is a deficient number, since it is larger than the sum of its proper divisors (1137739).

130526189 is a wasteful number, since it uses less digits than its factorization.

130526189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 130526189 is about 11424.8058626832. The cubic root of 130526189 is about 507.2622604597.

The spelling of 130526189 in words is "one hundred thirty million, five hundred twenty-six thousand, one hundred eighty-nine".