130736509 has 4 divisors (see below), whose sum is σ = 130926400. Its totient is φ = 130546620.

The previous prime is 130736483. The next prime is 130736519. The reversal of 130736509 is 905637031.

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 a cyclic number.

It is not a de Polignac number, because 130736509 - 2⁷ = 130736381 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 (130736519) 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, 93909 + ... + 95290.

It is an arithmetic number, because the mean of its divisors is an integer number (32731600).

Almost surely, 2^130736509 is an apocalyptic number.

It is an amenable number.

130736509 is a deficient number, since it is larger than the sum of its proper divisors (189891).

130736509 is an equidigital number, since it uses as much as digits as its factorization.

130736509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189890.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 130736509 is about 11434.0066905700. The cubic root of 130736509 is about 507.5345688959.

The spelling of 130736509 in words is "one hundred thirty million, seven hundred thirty-six thousand, five hundred nine".