130727505 has 32 divisors (see below), whose sum is σ = 227779200. Its totient is φ = 63770112.

The previous prime is 130727491. The next prime is 130727507. The reversal of 130727505 is 505727031.

It is not a de Polignac number, because 130727505 - 2⁴ = 130727489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130727507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357 + ... + 16173.

It is an arithmetic number, because the mean of its divisors is an integer number (7118100).

Almost surely, 2^130727505 is an apocalyptic number.

130727505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130727505 is a deficient number, since it is larger than the sum of its proper divisors (97051695).

130727505 is a wasteful number, since it uses less digits than its factorization.

130727505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15873.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 130727505 is about 11433.6129460464. The cubic root of 130727505 is about 507.5229170979.

The spelling of 130727505 in words is "one hundred thirty million, seven hundred twenty-seven thousand, five hundred five".