135449952 has 96 divisors (see below), whose sum is σ = 401345280. Its totient is φ = 39621120.

The previous prime is 135449929. The next prime is 135449959. The reversal of 135449952 is 259944531.

135449952 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (135449959) 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, 28413 + ... + 32835.

It is an arithmetic number, because the mean of its divisors is an integer number (4180680).

Almost surely, 2^135449952 is an apocalyptic number.

135449952 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 135449952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200672640).

135449952 is an abundant number, since it is smaller than the sum of its proper divisors (265895328).

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

135449952 is a wasteful number, since it uses less digits than its factorization.

135449952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476 (or 4468 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 135449952 is about 11638.2967826053. The cubic root of 135449952 is about 513.5620831666.

The spelling of 135449952 in words is "one hundred thirty-five million, four hundred forty-nine thousand, nine hundred fifty-two".