235209682134 has 96 divisors (see below), whose sum is σ = 600706768896. Its totient is φ = 65121537600.

The previous prime is 235209682073. The next prime is 235209682139. The reversal of 235209682134 is 431286902532.

235209682134 is a `hidden beast` number, since 2 + 3 + 520 + 96 + 8 + 2 + 1 + 34 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 235209682134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235209682139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 401499 + ... + 794745.

It is an arithmetic number, because the mean of its divisors is an integer number (6257362176).

Almost surely, 2^235209682134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235209682134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300353384448).

235209682134 is an abundant number, since it is smaller than the sum of its proper divisors (365497086762).

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

235209682134 is a wasteful number, since it uses less digits than its factorization.

235209682134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393410 (or 393407 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 235209682134 in words is "two hundred thirty-five billion, two hundred nine million, six hundred eighty-two thousand, one hundred thirty-four".