135580005 has 24 divisors (see below), whose sum is σ = 256370400. Its totient is φ = 65735520.

The previous prime is 135579979. The next prime is 135580043. The reversal of 135580005 is 500085531.

It is not a de Polignac number, because 135580005 - 2⁸ = 135579749 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136455 + ... + 137444.

It is an arithmetic number, because the mean of its divisors is an integer number (10682100).

Almost surely, 2^135580005 is an apocalyptic number.

135580005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135580005 is a deficient number, since it is larger than the sum of its proper divisors (120790395).

135580005 is a wasteful number, since it uses less digits than its factorization.

135580005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273921 (or 273918 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 135580005 is about 11643.8827287121. The cubic root of 135580005 is about 513.7263970544.

The spelling of 135580005 in words is "one hundred thirty-five million, five hundred eighty thousand, five".