135211035905 has 8 divisors (see below), whose sum is σ = 177003537984. Its totient is φ = 98335298800.

The previous prime is 135211035901. The next prime is 135211035937. The reversal of 135211035905 is 509530112531.

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

It is not a de Polignac number, because 135211035905 - 2² = 135211035901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135211035901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229191181 + ... + 1229191290.

It is an arithmetic number, because the mean of its divisors is an integer number (22125442248).

Almost surely, 2^135211035905 is an apocalyptic number.

It is an amenable number.

135211035905 is a deficient number, since it is larger than the sum of its proper divisors (41792502079).

135211035905 is a wasteful number, since it uses less digits than its factorization.

135211035905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458382487.

The product of its (nonzero) digits is 20250, while the sum is 35.

The spelling of 135211035905 in words is "one hundred thirty-five billion, two hundred eleven million, thirty-five thousand, nine hundred five".