138038016630 has 64 divisors (see below), whose sum is σ = 349986965760. Its totient is φ = 34746827904.

The previous prime is 138038016563. The next prime is 138038016637. The reversal of 138038016630 is 36610830831.

138038016630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138038016637) 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 31 ways as a sum of consecutive naturals, for example, 279244 + ... + 595023.

It is an arithmetic number, because the mean of its divisors is an integer number (5468546340).

Almost surely, 2^138038016630 is an apocalyptic number.

138038016630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138038016630 is an abundant number, since it is smaller than the sum of its proper divisors (211948949130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138038016630 is a wasteful number, since it uses less digits than its factorization.

138038016630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874573.

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

The spelling of 138038016630 in words is "one hundred thirty-eight billion, thirty-eight million, sixteen thousand, six hundred thirty".