135896832 has 72 divisors (see below), whose sum is σ = 401891280. Its totient is φ = 45296640.

The previous prime is 135896809. The next prime is 135896833. The reversal of 135896832 is 238698531.

It is a happy number.

135896832 is a `hidden beast` number, since 1 + 3 + 589 + 68 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135896833) 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, 2919 + ... + 16742.

Almost surely, 2^135896832 is an apocalyptic number.

135896832 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 135896832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200945640).

135896832 is an abundant number, since it is smaller than the sum of its proper divisors (265994448).

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

135896832 is an equidigital number, since it uses as much as digits as its factorization.

135896832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19686 (or 19666 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 135896832 is about 11657.4796590001. The cubic root of 135896832 is about 514.1262489722.

The spelling of 135896832 in words is "one hundred thirty-five million, eight hundred ninety-six thousand, eight hundred thirty-two".