130509256089 has 4 divisors (see below), whose sum is σ = 174012341456. Its totient is φ = 87006170724.

The previous prime is 130509256057. The next prime is 130509256099. The reversal of 130509256089 is 980652905031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 130509256089 - 2⁵ = 130509256057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130509256019) 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, 21751542679 + ... + 21751542684.

It is an arithmetic number, because the mean of its divisors is an integer number (43503085364).

Almost surely, 2^130509256089 is an apocalyptic number.

It is an amenable number.

130509256089 is a deficient number, since it is larger than the sum of its proper divisors (43503085367).

130509256089 is an equidigital number, since it uses as much as digits as its factorization.

130509256089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43503085366.

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 130509256089 in words is "one hundred thirty billion, five hundred nine million, two hundred fifty-six thousand, eighty-nine".