824131138 has 8 divisors (see below), whose sum is σ = 1236323088. Its totient is φ = 412023444.

The previous prime is 824131127. The next prime is 824131159. The reversal of 824131138 is 831131428.

824131138 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17545 + ... + 44227.

It is an arithmetic number, because the mean of its divisors is an integer number (154540386).

Almost surely, 2^824131138 is an apocalyptic number.

824131138 is a deficient number, since it is larger than the sum of its proper divisors (412191950).

824131138 is a wasteful number, since it uses less digits than its factorization.

824131138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42128.

The product of its digits is 4608, while the sum is 31.

The square root of 824131138 is about 28707.6843022909. The cubic root of 824131138 is about 937.5593611716.

The spelling of 824131138 in words is "eight hundred twenty-four million, one hundred thirty-one thousand, one hundred thirty-eight".