138104593 has 8 divisors (see below), whose sum is σ = 152353440. Its totient is φ = 124138080.

The previous prime is 138104573. The next prime is 138104599. The reversal of 138104593 is 395401831.

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

It is not a de Polignac number, because 138104593 - 2²⁵ = 104550161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138104599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69555 + ... + 71512.

It is an arithmetic number, because the mean of its divisors is an integer number (19044180).

Almost surely, 2^138104593 is an apocalyptic number.

It is an amenable number.

138104593 is a deficient number, since it is larger than the sum of its proper divisors (14248847).

138104593 is a wasteful number, since it uses less digits than its factorization.

138104593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141167.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 138104593 is about 11751.7910549839. The cubic root of 138104593 is about 516.8954478073.

The spelling of 138104593 in words is "one hundred thirty-eight million, one hundred four thousand, five hundred ninety-three".