135959424 has 96 divisors (see below), whose sum is σ = 374913240. Its totient is φ = 43653120.

The previous prime is 135959419. The next prime is 135959431. The reversal of 135959424 is 424959531.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322734 + ... + 323154.

Almost surely, 2^135959424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135959424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187456620).

135959424 is an abundant number, since it is smaller than the sum of its proper divisors (238953816).

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

135959424 is an equidigital number, since it uses as much as digits as its factorization.

135959424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 455 counting only the distinct ones).

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

The square root of 135959424 is about 11660.1639782638. The cubic root of 135959424 is about 514.2051697495.

The spelling of 135959424 in words is "one hundred thirty-five million, nine hundred fifty-nine thousand, four hundred twenty-four".