130647785 has 4 divisors (see below), whose sum is σ = 156777348. Its totient is φ = 104518224.

The previous prime is 130647773. The next prime is 130647793. The reversal of 130647785 is 587746031.

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 62552281 + 68095504 = 7909^2 + 8252^2 .

It is a cyclic number.

It is not a de Polignac number, because 130647785 - 2⁸ = 130647529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13064774 + ... + 13064783.

It is an arithmetic number, because the mean of its divisors is an integer number (39194337).

Almost surely, 2^130647785 is an apocalyptic number.

It is an amenable number.

130647785 is a deficient number, since it is larger than the sum of its proper divisors (26129563).

130647785 is an equidigital number, since it uses as much as digits as its factorization.

130647785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26129562.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 130647785 is about 11430.1262022779. The cubic root of 130647785 is about 507.4197305647.

The spelling of 130647785 in words is "one hundred thirty million, six hundred forty-seven thousand, seven hundred eighty-five".