130066521 has 16 divisors (see below), whose sum is σ = 187018944. Its totient is φ = 79930944.

The previous prime is 130066513. The next prime is 130066543. The reversal of 130066521 is 125660031.

It is not a de Polignac number, because 130066521 - 2³ = 130066513 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130066491 and 130066500.

It is not an unprimeable number, because it can be changed into a prime (130066501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33535 + ... + 37211.

It is an arithmetic number, because the mean of its divisors is an integer number (11688684).

Almost surely, 2^130066521 is an apocalyptic number.

It is an amenable number.

130066521 is a deficient number, since it is larger than the sum of its proper divisors (56952423).

130066521 is a wasteful number, since it uses less digits than its factorization.

130066521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 130066521 is about 11404.6710167370. The cubic root of 130066521 is about 506.6660927875. Note that the first 3 decimals are identical.

The spelling of 130066521 in words is "one hundred thirty million, sixty-six thousand, five hundred twenty-one".