238388134 has 4 divisors (see below), whose sum is σ = 357582204. Its totient is φ = 119194066.

The previous prime is 238388119. The next prime is 238388141. The reversal of 238388134 is 431883832.

238388134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59597032 + ... + 59597035.

It is an arithmetic number, because the mean of its divisors is an integer number (89395551).

Almost surely, 2^238388134 is an apocalyptic number.

238388134 is a deficient number, since it is larger than the sum of its proper divisors (119194070).

238388134 is a wasteful number, since it uses less digits than its factorization.

238388134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119194069.

The product of its digits is 110592, while the sum is 40.

The square root of 238388134 is about 15439.8229912133. The cubic root of 238388134 is about 620.0521409496.

The spelling of 238388134 in words is "two hundred thirty-eight million, three hundred eighty-eight thousand, one hundred thirty-four".