135352130056 has 64 divisors (see below), whose sum is σ = 299401401600. Its totient is φ = 56553369600.

The previous prime is 135352130021. The next prime is 135352130101. The reversal of 135352130056 is 650031253531.

It is a super-2 number, since 2×135352130056² (a number of 23 digits) contains 22 as substring.

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, 25896 + ... + 520936.

It is an arithmetic number, because the mean of its divisors is an integer number (4678146900).

Almost surely, 2^135352130056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135352130056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149700700800).

135352130056 is an abundant number, since it is smaller than the sum of its proper divisors (164049271544).

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

135352130056 is a wasteful number, since it uses less digits than its factorization.

135352130056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495310 (or 495306 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 34.

Adding to 135352130056 its reverse (650031253531), we get a palindrome (785383383587).

The spelling of 135352130056 in words is "one hundred thirty-five billion, three hundred fifty-two million, one hundred thirty thousand, fifty-six".