138386373 has 8 divisors (see below), whose sum is σ = 184579200. Its totient is φ = 92225568.

The previous prime is 138386363. The next prime is 138386383. The reversal of 138386373 is 373683831.

It is an interprime number because it is at equal distance from previous prime (138386363) and next prime (138386383).

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

It is not a de Polignac number, because 138386373 - 2⁶ = 138386309 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138386363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5188 + ... + 17426.

It is an arithmetic number, because the mean of its divisors is an integer number (23072400).

Almost surely, 2^138386373 is an apocalyptic number.

It is an amenable number.

138386373 is a deficient number, since it is larger than the sum of its proper divisors (46192827).

138386373 is a wasteful number, since it uses less digits than its factorization.

138386373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16011.

The product of its digits is 217728, while the sum is 42.

The square root of 138386373 is about 11763.7737567500. The cubic root of 138386373 is about 517.2467560666.

The spelling of 138386373 in words is "one hundred thirty-eight million, three hundred eighty-six thousand, three hundred seventy-three".