135135906 has 8 divisors (see below), whose sum is σ = 270271824. Its totient is φ = 45045300.

The previous prime is 135135887. The next prime is 135135943. The reversal of 135135906 is 609531531.

It is a sphenic number, since it is the product of 3 distinct primes.

135135906 is an admirable 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, 11261320 + ... + 11261331.

It is an arithmetic number, because the mean of its divisors is an integer number (33783978).

Almost surely, 2^135135906 is an apocalyptic number.

135135906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135135906 is a wasteful number, since it uses less digits than its factorization.

135135906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22522656.

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 135135906 is about 11624.7970304862. The cubic root of 135135906 is about 513.1648714470.

The spelling of 135135906 in words is "one hundred thirty-five million, one hundred thirty-five thousand, nine hundred six".