135805408 has 24 divisors (see below), whose sum is σ = 270020520. Its totient is φ = 67228800.

The previous prime is 135805399. The next prime is 135805421. The reversal of 135805408 is 804508531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17778 + ... + 24241.

It is an arithmetic number, because the mean of its divisors is an integer number (11250855).

Almost surely, 2^135805408 is an apocalyptic number.

It is an amenable number.

135805408 is a deficient number, since it is larger than the sum of its proper divisors (134215112).

135805408 is a wasteful number, since it uses less digits than its factorization.

135805408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42130 (or 42122 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 135805408 is about 11653.5577400209. The cubic root of 135805408 is about 514.0109310458.

The spelling of 135805408 in words is "one hundred thirty-five million, eight hundred five thousand, four hundred eight".