130287 has 8 divisors (see below), whose sum is σ = 175536. Its totient is φ = 85952.

The previous prime is 130279. The next prime is 130303. The reversal of 130287 is 782031.

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

It is a cyclic number.

It is not a de Polignac number, because 130287 - 2³ = 130279 is a prime.

130287 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 130287.

It is not an unprimeable number, because it can be changed into a prime (130267) 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, 253 + ... + 569.

It is an arithmetic number, because the mean of its divisors is an integer number (21942).

2¹³⁰²⁸⁷ is an apocalyptic number.

130287 is a deficient number, since it is larger than the sum of its proper divisors (45249).

130287 is a wasteful number, since it uses less digits than its factorization.

130287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 130287 is about 360.9529055154. The cubic root of 130287 is about 50.6952218614.

The spelling of 130287 in words is "one hundred thirty thousand, two hundred eighty-seven".