130727765 has 16 divisors (see below), whose sum is σ = 179512320. Its totient is φ = 89527680.

The previous prime is 130727761. The next prime is 130727801. The reversal of 130727765 is 567727031.

It is not a de Polignac number, because 130727765 - 2² = 130727761 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130727761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32801 + ... + 36569.

It is an arithmetic number, because the mean of its divisors is an integer number (11219520).

Almost surely, 2^130727765 is an apocalyptic number.

It is an amenable number.

130727765 is a deficient number, since it is larger than the sum of its proper divisors (48784555).

130727765 is an equidigital number, since it uses as much as digits as its factorization.

130727765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 130727765 is about 11433.6243160251. The cubic root of 130727765 is about 507.5232535634.

The spelling of 130727765 in words is "one hundred thirty million, seven hundred twenty-seven thousand, seven hundred sixty-five".