135617220234 has 24 divisors (see below), whose sum is σ = 293844097092. Its totient is φ = 45204696000.

The previous prime is 135617220191. The next prime is 135617220257. The reversal of 135617220234 is 432022716531.

135617220234 is a `hidden beast` number, since 1 + 3 + 5 + 617 + 2 + 2 + 0 + 2 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 133953804009 + 1663416225 = 365997^2 + 40785^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1411734 + ... + 1504734.

Almost surely, 2^135617220234 is an apocalyptic number.

135617220234 is an abundant number, since it is smaller than the sum of its proper divisors (158226876858).

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

135617220234 is a wasteful number, since it uses less digits than its factorization.

135617220234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174022 (or 174019 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 135617220234 its reverse (432022716531), we get a palindrome (567639936765).

The spelling of 135617220234 in words is "one hundred thirty-five billion, six hundred seventeen million, two hundred twenty thousand, two hundred thirty-four".