135223526112 has 96 divisors (see below), whose sum is σ = 372151584000. Its totient is φ = 42910264320.

The previous prime is 135223526077. The next prime is 135223526117. The reversal of 135223526112 is 211625322531.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135223526117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320764 + ... + 611012.

It is an arithmetic number, because the mean of its divisors is an integer number (3876579000).

Almost surely, 2^135223526112 is an apocalyptic number.

135223526112 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 135223526112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186075792000).

135223526112 is an abundant number, since it is smaller than the sum of its proper divisors (236928057888).

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

135223526112 is a wasteful number, since it uses less digits than its factorization.

135223526112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290496 (or 290488 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

Adding to 135223526112 its reverse (211625322531), we get a palindrome (346848848643).

The spelling of 135223526112 in words is "one hundred thirty-five billion, two hundred twenty-three million, five hundred twenty-six thousand, one hundred twelve".