130875665 has 4 divisors (see below), whose sum is σ = 157050804. Its totient is φ = 104700528.

The previous prime is 130875653. The next prime is 130875691. The reversal of 130875665 is 566578031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13868176 + 117007489 = 3724^2 + 10817^2 .

It is a cyclic number.

It is not a de Polignac number, because 130875665 - 2¹⁶ = 130810129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13087562 + ... + 13087571.

It is an arithmetic number, because the mean of its divisors is an integer number (39262701).

Almost surely, 2^130875665 is an apocalyptic number.

It is an amenable number.

130875665 is a deficient number, since it is larger than the sum of its proper divisors (26175139).

130875665 is an equidigital number, since it uses as much as digits as its factorization.

130875665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26175138.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 130875665 is about 11440.0902531405. The cubic root of 130875665 is about 507.7145783860.

The spelling of 130875665 in words is "one hundred thirty million, eight hundred seventy-five thousand, six hundred sixty-five".