130685505 has 8 divisors (see below), whose sum is σ = 209096832. Its totient is φ = 69698928.

The previous prime is 130685501. The next prime is 130685507. The reversal of 130685505 is 505586031.

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

It is not a de Polignac number, because 130685505 - 2² = 130685501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130685501) 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, 4356169 + ... + 4356198.

It is an arithmetic number, because the mean of its divisors is an integer number (26137104).

Almost surely, 2^130685505 is an apocalyptic number.

130685505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130685505 is a deficient number, since it is larger than the sum of its proper divisors (78411327).

130685505 is an equidigital number, since it uses as much as digits as its factorization.

130685505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712375.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 130685505 is about 11431.7761087243. The cubic root of 130685505 is about 507.4685591270.

The spelling of 130685505 in words is "one hundred thirty million, six hundred eighty-five thousand, five hundred five".