238453136 has 10 divisors (see below), whose sum is σ = 462002982. Its totient is φ = 119226560.

The previous prime is 238453129. The next prime is 238453141. The reversal of 238453136 is 631354832.

It can be written as a sum of positive squares in only one way, i.e., 238393600 + 59536 = 15440^2 + 244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 238453096 and 238453105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7451645 + ... + 7451676.

Almost surely, 2^238453136 is an apocalyptic number.

It is an amenable number.

238453136 is a deficient number, since it is larger than the sum of its proper divisors (223549846).

238453136 is a wasteful number, since it uses less digits than its factorization.

238453136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14903329 (or 14903323 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 238453136 is about 15441.9278589171. The cubic root of 238453136 is about 620.1084929806.

The spelling of 238453136 in words is "two hundred thirty-eight million, four hundred fifty-three thousand, one hundred thirty-six".