138804101 has 8 divisors (see below), whose sum is σ = 148291680. Its totient is φ = 129534768.

The previous prime is 138804091. The next prime is 138804109. The reversal of 138804101 is 101408831.

138804101 is digitally balanced in base 2, 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 cyclic number.

It is not a de Polignac number, because 138804101 - 2⁶ = 138804037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138804109) 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, 53246 + ... + 55791.

It is an arithmetic number, because the mean of its divisors is an integer number (18536460).

Almost surely, 2^138804101 is an apocalyptic number.

It is an amenable number.

138804101 is a deficient number, since it is larger than the sum of its proper divisors (9487579).

138804101 is a wasteful number, since it uses less digits than its factorization.

138804101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109123.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 138804101 is about 11781.5152251313. The cubic root of 138804101 is about 517.7666806002.

The spelling of 138804101 in words is "one hundred thirty-eight million, eight hundred four thousand, one hundred one".