235994136 has 128 divisors (see below), whose sum is σ = 751680000. Its totient is φ = 60106752.

The previous prime is 235994123. The next prime is 235994147. The reversal of 235994136 is 631499532.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52090 + ... + 56438.

It is an arithmetic number, because the mean of its divisors is an integer number (5872500).

Almost surely, 2^235994136 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 235994136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375840000).

235994136 is an abundant number, since it is smaller than the sum of its proper divisors (515685864).

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

235994136 is a wasteful number, since it uses less digits than its factorization.

235994136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401 (or 4397 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The square root of 235994136 is about 15362.1006376081. The cubic root of 235994136 is about 617.9695421778.

The spelling of 235994136 in words is "two hundred thirty-five million, nine hundred ninety-four thousand, one hundred thirty-six".