138577358 has 8 divisors (see below), whose sum is σ = 213484152. Its totient is φ = 67415976.

The previous prime is 138577357. The next prime is 138577367. The reversal of 138577358 is 853775831.

138577358 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (138577357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936260 + ... + 936407.

It is an arithmetic number, because the mean of its divisors is an integer number (26685519).

Almost surely, 2^138577358 is an apocalyptic number.

138577358 is a deficient number, since it is larger than the sum of its proper divisors (74906794).

138577358 is a wasteful number, since it uses less digits than its factorization.

138577358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872706.

The product of its digits is 705600, while the sum is 47.

The square root of 138577358 is about 11771.8884636238. Note that the first 3 decimals coincide. The cubic root of 138577358 is about 517.4845949034.

It can be divided in two parts, 1385773 and 58, that added together give a palindrome (1385831).

The spelling of 138577358 in words is "one hundred thirty-eight million, five hundred seventy-seven thousand, three hundred fifty-eight".