138360038 has 8 divisors (see below), whose sum is σ = 207590088. Its totient is φ = 69163344.

The previous prime is 138360031. The next prime is 138360041. The reversal of 138360038 is 830063831.

It is a happy number.

138360038 is digitally balanced in base 3, 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 a super-2 number, since 2×138360038² = 38287000230722888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 138359986 and 138360013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138360031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11045 + ... + 19967.

It is an arithmetic number, because the mean of its divisors is an integer number (25948761).

Almost surely, 2^138360038 is an apocalyptic number.

138360038 is a deficient number, since it is larger than the sum of its proper divisors (69230050).

138360038 is an equidigital number, since it uses as much as digits as its factorization.

138360038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16678.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 138360038 is about 11762.6543773079. The cubic root of 138360038 is about 517.2139432079.

The spelling of 138360038 in words is "one hundred thirty-eight million, three hundred sixty thousand, thirty-eight".