135235204105 has 8 divisors (see below), whose sum is σ = 162293031432. Its totient is φ = 108180972288.

The previous prime is 135235204079. The next prime is 135235204183. The reversal of 135235204105 is 501402532531.

It can be written as a sum of positive squares in 4 ways, for example, as 11212903881 + 124022300224 = 105891^2 + 352168^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 135235204105 - 2⁵ = 135235204073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815424 + ... + 967153.

It is an arithmetic number, because the mean of its divisors is an integer number (20286628929).

Almost surely, 2^135235204105 is an apocalyptic number.

It is an amenable number.

135235204105 is a deficient number, since it is larger than the sum of its proper divisors (27057827327).

135235204105 is a wasteful number, since it uses less digits than its factorization.

135235204105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797755.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 135235204105 its reverse (501402532531), we get a palindrome (636637736636).

The spelling of 135235204105 in words is "one hundred thirty-five billion, two hundred thirty-five million, two hundred four thousand, one hundred five".