135617220235 has 16 divisors (see below), whose sum is σ = 186002159616. Its totient is φ = 92988250848.

The previous prime is 135617220191. The next prime is 135617220257. The reversal of 135617220235 is 532022716531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 135617220235 - 2⁹ = 135617219723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135617220194 and 135617220203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412462 + ... + 664348.

It is an arithmetic number, because the mean of its divisors is an integer number (11625134976).

Almost surely, 2^135617220235 is an apocalyptic number.

135617220235 is a deficient number, since it is larger than the sum of its proper divisors (50384939381).

135617220235 is a wasteful number, since it uses less digits than its factorization.

135617220235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267282.

The product of its (nonzero) digits is 75600, while the sum is 37.

Adding to 135617220235 its reverse (532022716531), we get a palindrome (667639936766).

The spelling of 135617220235 in words is "one hundred thirty-five billion, six hundred seventeen million, two hundred twenty thousand, two hundred thirty-five".