135221035 has 8 divisors (see below), whose sum is σ = 162330480. Its totient is φ = 108133344.

The previous prime is 135221033. The next prime is 135221063. The reversal of 135221035 is 530122531.

135221035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 135221035 - 2¹ = 135221033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135220997 and 135221015.

It is not an unprimeable number, because it can be changed into a prime (135221033) 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, 15756 + ... + 22774.

It is an arithmetic number, because the mean of its divisors is an integer number (20291310).

Almost surely, 2^135221035 is an apocalyptic number.

135221035 is a deficient number, since it is larger than the sum of its proper divisors (27109445).

135221035 is an equidigital number, since it uses as much as digits as its factorization.

135221035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10877.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 135221035 is about 11628.4579803171. The cubic root of 135221035 is about 513.2726050703.

Adding to 135221035 its reverse (530122531), we get a palindrome (665343566).

The spelling of 135221035 in words is "one hundred thirty-five million, two hundred twenty-one thousand, thirty-five".