135544812 has 24 divisors (see below), whose sum is σ = 340600176. Its totient is φ = 41706048.

The previous prime is 135544781. The next prime is 135544813. The reversal of 135544812 is 218445531.

135544812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (135544813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434283 + ... + 434594.

It is an arithmetic number, because the mean of its divisors is an integer number (14191674).

Almost surely, 2^135544812 is an apocalyptic number.

135544812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135544812 is an abundant number, since it is smaller than the sum of its proper divisors (205055364).

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

135544812 is a wasteful number, since it uses less digits than its factorization.

135544812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868897 (or 868895 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 135544812 is about 11642.3714079220. The cubic root of 135544812 is about 513.6819432584.

The spelling of 135544812 in words is "one hundred thirty-five million, five hundred forty-four thousand, eight hundred twelve".