138411188 has 12 divisors (see below), whose sum is σ = 242383680. Its totient is φ = 69158712.

The previous prime is 138411173. The next prime is 138411197. The reversal of 138411188 is 881114831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4598 + ... + 17261.

It is an arithmetic number, because the mean of its divisors is an integer number (20198640).

Almost surely, 2^138411188 is an apocalyptic number.

It is an amenable number.

138411188 is a deficient number, since it is larger than the sum of its proper divisors (103972492).

138411188 is a wasteful number, since it uses less digits than its factorization.

138411188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23446 (or 23444 counting only the distinct ones).

The product of its digits is 6144, while the sum is 35.

The square root of 138411188 is about 11764.8284305382. The cubic root of 138411188 is about 517.2776712278.

The spelling of 138411188 in words is "one hundred thirty-eight million, four hundred eleven thousand, one hundred eighty-eight".