138875362 has 8 divisors (see below), whose sum is σ = 208407276. Its totient is φ = 69406272.

The previous prime is 138875339. The next prime is 138875371. The reversal of 138875362 is 263578831.

138875362 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 107972881 + 30902481 = 10391^2 + 5559^2 .

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

It is an unprimeable number.

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, 9723 + ... + 19294.

Almost surely, 2^138875362 is an apocalyptic number.

138875362 is a deficient number, since it is larger than the sum of its proper divisors (69531914).

138875362 is a wasteful number, since it uses less digits than its factorization.

138875362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31412.

The product of its digits is 241920, while the sum is 43.

The square root of 138875362 is about 11784.5391085099. The cubic root of 138875362 is about 517.8552713043.

The spelling of 138875362 in words is "one hundred thirty-eight million, eight hundred seventy-five thousand, three hundred sixty-two".