135559452 has 96 divisors (see below), whose sum is σ = 383649280. Its totient is φ = 36391680.

The previous prime is 135559451. The next prime is 135559481. The reversal of 135559452 is 254955531.

It is a self number, because there is not a number n which added to its sum of digits gives 135559452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135559451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250302 + ... + 250842.

Almost surely, 2^135559452 is an apocalyptic number.

135559452 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 135559452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191824640).

135559452 is an abundant number, since it is smaller than the sum of its proper divisors (248089828).

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

135559452 is a wasteful number, since it uses less digits than its factorization.

135559452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 729 counting only the distinct ones).

The product of its digits is 135000, while the sum is 39.

The square root of 135559452 is about 11643.0001288328. Note that the first 3 decimals coincide. The cubic root of 135559452 is about 513.7004366083.

The spelling of 135559452 in words is "one hundred thirty-five million, five hundred fifty-nine thousand, four hundred fifty-two".