233136438 has 8 divisors (see below), whose sum is σ = 466272888. Its totient is φ = 77712144.

The previous prime is 233136437. The next prime is 233136443. The reversal of 233136438 is 834631332.

It is a sphenic number, since it is the product of 3 distinct primes.

233136438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 233136399 and 233136408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233136433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19428031 + ... + 19428042.

It is an arithmetic number, because the mean of its divisors is an integer number (58284111).

Almost surely, 2^233136438 is an apocalyptic number.

233136438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

233136438 is a wasteful number, since it uses less digits than its factorization.

233136438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38856078.

The product of its digits is 31104, while the sum is 33.

The square root of 233136438 is about 15268.8060436958. The cubic root of 233136438 is about 615.4650352777.

The spelling of 233136438 in words is "two hundred thirty-three million, one hundred thirty-six thousand, four hundred thirty-eight".