130387 has 4 divisors (see below), whose sum is σ = 136080. Its totient is φ = 124696.

The previous prime is 130379. The next prime is 130399. The reversal of 130387 is 783031.

130387 = 64² + 65² + ... + 86².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783031 = 37 ⋅21163.

It is a cyclic number.

It is not a de Polignac number, because 130387 - 2³ = 130379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2812 + ... + 2857.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2¹³⁰³⁸⁷ is an apocalyptic number.

130387 is a deficient number, since it is larger than the sum of its proper divisors (5693).

130387 is an equidigital number, since it uses as much as digits as its factorization.

130387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5692.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 130387 is about 361.0914011715. The cubic root of 130387 is about 50.7081886852.

The spelling of 130387 in words is "one hundred thirty thousand, three hundred eighty-seven".