135560123232 has 384 divisors, whose sum is σ = 412681651200. Its totient is φ = 38674169856.

The previous prime is 135560123191. The next prime is 135560123267. The reversal of 135560123232 is 232321065531.

It is a super-2 number, since 2×135560123232² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135560123193 and 135560123202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 209520733 + ... + 209521379.

It is an arithmetic number, because the mean of its divisors is an integer number (1074691800).

Almost surely, 2^135560123232 is an apocalyptic number.

135560123232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135560123232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206340825600).

135560123232 is an abundant number, since it is smaller than the sum of its proper divisors (277121527968).

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

135560123232 is a wasteful number, since it uses less digits than its factorization.

135560123232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 135560123232 its reverse (232321065531), we get a palindrome (367881188763).

The spelling of 135560123232 in words is "one hundred thirty-five billion, five hundred sixty million, one hundred twenty-three thousand, two hundred thirty-two".