130873019 has 4 divisors (see below), whose sum is σ = 130908120. Its totient is φ = 130837920.

The previous prime is 130873003. The next prime is 130873031. The reversal of 130873019 is 910378031.

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

It is a cyclic number.

It is not a de Polignac number, because 130873019 - 2⁴ = 130873003 is a prime.

It is a super-2 number, since 2×130873019² = 34255494204348722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130873049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11189 + ... + 19670.

It is an arithmetic number, because the mean of its divisors is an integer number (32727030).

Almost surely, 2^130873019 is an apocalyptic number.

130873019 is a deficient number, since it is larger than the sum of its proper divisors (35101).

130873019 is an equidigital number, since it uses as much as digits as its factorization.

130873019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35100.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 130873019 is about 11439.9746066152. The cubic root of 130873019 is about 507.7111567623.

The spelling of 130873019 in words is "one hundred thirty million, eight hundred seventy-three thousand, nineteen".