238820134 has 8 divisors (see below), whose sum is σ = 409405968. Its totient is φ = 102351480.

The previous prime is 238820129. The next prime is 238820137. The reversal of 238820134 is 431028832.

238820134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 238820096 and 238820105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238820137) 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, 8529277 + ... + 8529304.

It is an arithmetic number, because the mean of its divisors is an integer number (51175746).

Almost surely, 2^238820134 is an apocalyptic number.

238820134 is a deficient number, since it is larger than the sum of its proper divisors (170585834).

238820134 is a wasteful number, since it uses less digits than its factorization.

238820134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17058590.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 238820134 is about 15453.8064566630. The cubic root of 238820134 is about 620.4264617109.

Adding to 238820134 its reverse (431028832), we get a palindrome (669848966).

It can be divided in two parts, 2388 and 20134, that added together give a palindrome (22522).

The spelling of 238820134 in words is "two hundred thirty-eight million, eight hundred twenty thousand, one hundred thirty-four".