130825665 has 32 divisors (see below), whose sum is σ = 235872000. Its totient is φ = 68785920.

The previous prime is 130825661. The next prime is 130825687. The reversal of 130825665 is 566528031.

130825665 is a `hidden beast` number, since 13 + 0 + 82 + 566 + 5 = 666.

It is not a de Polignac number, because 130825665 - 2² = 130825661 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130825661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2761 + ... + 16409.

It is an arithmetic number, because the mean of its divisors is an integer number (7371000).

Almost surely, 2^130825665 is an apocalyptic number.

130825665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130825665 is a deficient number, since it is larger than the sum of its proper divisors (105046335).

130825665 is a wasteful number, since it uses less digits than its factorization.

130825665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13734 (or 13728 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 130825665 is about 11437.9047469368. The cubic root of 130825665 is about 507.6499140539.

The spelling of 130825665 in words is "one hundred thirty million, eight hundred twenty-five thousand, six hundred sixty-five".