235238136 has 64 divisors (see below), whose sum is σ = 674446080. Its totient is φ = 66977280.

The previous prime is 235238117. The next prime is 235238153. The reversal of 235238136 is 631832532.

235238136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 235238097 and 235238106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49296 + ... + 53856.

It is an arithmetic number, because the mean of its divisors is an integer number (10538220).

Almost surely, 2^235238136 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 235238136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337223040).

235238136 is an abundant number, since it is smaller than the sum of its proper divisors (439207944).

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

235238136 is a wasteful number, since it uses less digits than its factorization.

235238136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884 (or 4880 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 235238136 is about 15337.4748899550. The cubic root of 235238136 is about 617.3089541049.

The spelling of 235238136 in words is "two hundred thirty-five million, two hundred thirty-eight thousand, one hundred thirty-six".