130813409 has 4 divisors (see below), whose sum is σ = 131053104. Its totient is φ = 130573716.

The previous prime is 130813393. The next prime is 130813421. The reversal of 130813409 is 904318031.

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 130813409 - 2⁴ = 130813393 is a prime.

It is a super-2 number, since 2×130813409² = 34224295948402562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130843409) 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, 119027 + ... + 120120.

It is an arithmetic number, because the mean of its divisors is an integer number (32763276).

Almost surely, 2^130813409 is an apocalyptic number.

It is an amenable number.

130813409 is a deficient number, since it is larger than the sum of its proper divisors (239695).

130813409 is an equidigital number, since it uses as much as digits as its factorization.

130813409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239694.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 130813409 is about 11437.3689719271. The cubic root of 130813409 is about 507.6340610186.

The spelling of 130813409 in words is "one hundred thirty million, eight hundred thirteen thousand, four hundred nine".