130251065 has 12 divisors (see below), whose sum is σ = 181820196. Its totient is φ = 89314848.

The previous prime is 130251031. The next prime is 130251067. The reversal of 130251065 is 560152031.

It can be written as a sum of positive squares in 2 ways, for example, as 102171664 + 28079401 = 10108^2 + 5299^2 .

It is not a de Polignac number, because 130251065 - 2²² = 126056761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130251065.

It is not an unprimeable number, because it can be changed into a prime (130251067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265574 + ... + 266063.

It is an arithmetic number, because the mean of its divisors is an integer number (15151683).

Almost surely, 2^130251065 is an apocalyptic number.

It is an amenable number.

130251065 is a deficient number, since it is larger than the sum of its proper divisors (51569131).

130251065 is an equidigital number, since it uses as much as digits as its factorization.

130251065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531656 (or 531649 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 130251065 is about 11412.7588689151. The cubic root of 130251065 is about 506.9056061275.

The spelling of 130251065 in words is "one hundred thirty million, two hundred fifty-one thousand, sixty-five".