130260665 has 4 divisors (see below), whose sum is σ = 156312804. Its totient is φ = 104208528.

The previous prime is 130260643. The next prime is 130260671. The reversal of 130260665 is 566062031.

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 47596201 + 82664464 = 6899^2 + 9092^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130260665 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13026062 + ... + 13026071.

It is an arithmetic number, because the mean of its divisors is an integer number (39078201).

Almost surely, 2^130260665 is an apocalyptic number.

It is an amenable number.

130260665 is a deficient number, since it is larger than the sum of its proper divisors (26052139).

130260665 is an equidigital number, since it uses as much as digits as its factorization.

130260665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26052138.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 130260665 is about 11413.1794430825. The cubic root of 130260665 is about 506.9180594467.

The spelling of 130260665 in words is "one hundred thirty million, two hundred sixty thousand, six hundred sixty-five".