130366521 has 6 divisors (see below), whose sum is σ = 188307210. Its totient is φ = 86911008.

The previous prime is 130366519. The next prime is 130366559. The reversal of 130366521 is 125663031.

130366521 is a `hidden beast` number, since 1 + 3 + 0 + 3 + 6 + 652 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 75012921 + 55353600 = 8661^2 + 7440^2 .

It is not a de Polignac number, because 130366521 - 2¹ = 130366519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130366021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7242576 + ... + 7242593.

It is an arithmetic number, because the mean of its divisors is an integer number (31384535).

Almost surely, 2^130366521 is an apocalyptic number.

It is an amenable number.

130366521 is a deficient number, since it is larger than the sum of its proper divisors (57940689).

130366521 is a wasteful number, since it uses less digits than its factorization.

130366521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14485175 (or 14485172 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 130366521 is about 11417.8159470189. The cubic root of 130366521 is about 507.0553374936.

The spelling of 130366521 in words is "one hundred thirty million, three hundred sixty-six thousand, five hundred twenty-one".