130540009 has 4 divisors (see below), whose sum is σ = 133317504. Its totient is φ = 127762516.

The previous prime is 130540001. The next prime is 130540021. The reversal of 130540009 is 900045031.

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 130540009 - 2³ = 130540001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130540001) 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, 1388677 + ... + 1388770.

It is an arithmetic number, because the mean of its divisors is an integer number (33329376).

Almost surely, 2^130540009 is an apocalyptic number.

It is an amenable number.

130540009 is a deficient number, since it is larger than the sum of its proper divisors (2777495).

130540009 is an equidigital number, since it uses as much as digits as its factorization.

130540009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777494.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 130540009 is about 11425.4106709562. The cubic root of 130540009 is about 507.2801626577.

It can be divided in two parts, 1305 and 40009, that added together give a palindrome (41314).

The spelling of 130540009 in words is "one hundred thirty million, five hundred forty thousand, nine".