38627018138 has 8 divisors (see below), whose sum is σ = 58146722100. Its totient is φ = 19244777440.

The previous prime is 38627018137. The next prime is 38627018149. The reversal of 38627018138 is 83181072683.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34738622689 + 3888395449 = 186383^2 + 62357^2 .

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 = 38627018092 and 38627018101.

It is not an unprimeable number, because it can be changed into a prime (38627018137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34365113 + ... + 34366236.

Almost surely, 2^38627018138 is an apocalyptic number.

38627018138 is a deficient number, since it is larger than the sum of its proper divisors (19519703962).

38627018138 is a wasteful number, since it uses less digits than its factorization.

38627018138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68731632.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 38627018138 in words is "thirty-eight billion, six hundred twenty-seven million, eighteen thousand, one hundred thirty-eight".