135620232 has 64 divisors (see below), whose sum is σ = 376185600. Its totient is φ = 40395840.

The previous prime is 135620231. The next prime is 135620267. The reversal of 135620232 is 232026531.

135620232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (135620231) 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, 11223 + ... + 19929.

It is an arithmetic number, because the mean of its divisors is an integer number (5877900).

Almost surely, 2^135620232 is an apocalyptic number.

135620232 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 135620232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188092800).

135620232 is an abundant number, since it is smaller than the sum of its proper divisors (240565368).

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

135620232 is a wasteful number, since it uses less digits than its factorization.

135620232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786 (or 8782 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 135620232 is about 11645.6099883175. The cubic root of 135620232 is about 513.7772000920. Note that the first 3 decimals are identical.

Adding to 135620232 its reverse (232026531), we get a palindrome (367646763).

The spelling of 135620232 in words is "one hundred thirty-five million, six hundred twenty thousand, two hundred thirty-two".