368631138 has 8 divisors (see below), whose sum is σ = 737262288. Its totient is φ = 122877044.

The previous prime is 368631127. The next prime is 368631161. The reversal of 368631138 is 831136863.

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

368631138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 368631096 and 368631105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30719256 + ... + 30719267.

It is an arithmetic number, because the mean of its divisors is an integer number (92157786).

Almost surely, 2^368631138 is an apocalyptic number.

368631138 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.

368631138 is a wasteful number, since it uses less digits than its factorization.

368631138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61438528.

The product of its digits is 62208, while the sum is 39.

The square root of 368631138 is about 19199.7692173630. The cubic root of 368631138 is about 717.0190137132.

The spelling of 368631138 in words is "three hundred sixty-eight million, six hundred thirty-one thousand, one hundred thirty-eight".