130785 has 8 divisors (see below), whose sum is σ = 209280. Its totient is φ = 69744.

The previous prime is 130783. The next prime is 130787. The reversal of 130785 is 587031.

It is an interprime number because it is at equal distance from previous prime (130783) and next prime (130787).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130785 - 2¹ = 130783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4345 + ... + 4374.

It is an arithmetic number, because the mean of its divisors is an integer number (26160).

2¹³⁰⁷⁸⁵ is an apocalyptic number.

130785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130785 is a deficient number, since it is larger than the sum of its proper divisors (78495).

130785 is an equidigital number, since it uses as much as digits as its factorization.

130785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8727.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 130785 is about 361.6420882585. The cubic root of 130785 is about 50.7597310402.

The spelling of 130785 in words is "one hundred thirty thousand, seven hundred eighty-five".