130170487 has 4 divisors (see below), whose sum is σ = 130388400. Its totient is φ = 129952576.

The previous prime is 130170437. The next prime is 130170499. The reversal of 130170487 is 784071031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130170487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130170407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108058 + ... + 109255.

It is an arithmetic number, because the mean of its divisors is an integer number (32597100).

Almost surely, 2^130170487 is an apocalyptic number.

130170487 is a deficient number, since it is larger than the sum of its proper divisors (217913).

130170487 is an equidigital number, since it uses as much as digits as its factorization.

130170487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217912.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 130170487 is about 11409.2281509312. The cubic root of 130170487 is about 506.8010545431.

The spelling of 130170487 in words is "one hundred thirty million, one hundred seventy thousand, four hundred eighty-seven".