130655405 has 4 divisors (see below), whose sum is σ = 156786492. Its totient is φ = 104524320.

The previous prime is 130655401. The next prime is 130655417. The reversal of 130655405 is 504556031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13734436 + 116920969 = 3706^2 + 10813^2 .

It is not a de Polignac number, because 130655405 - 2² = 130655401 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 (130655401) 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, 13065536 + ... + 13065545.

It is an arithmetic number, because the mean of its divisors is an integer number (39196623).

Almost surely, 2^130655405 is an apocalyptic number.

It is an amenable number.

130655405 is a deficient number, since it is larger than the sum of its proper divisors (26131087).

130655405 is an equidigital number, since it uses as much as digits as its factorization.

130655405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26131086.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 130655405 is about 11430.4595270706. The cubic root of 130655405 is about 507.4295954167.

The spelling of 130655405 in words is "one hundred thirty million, six hundred fifty-five thousand, four hundred five".