138466204 has 6 divisors (see below), whose sum is σ = 242315864. Its totient is φ = 69233100.

The previous prime is 138466201. The next prime is 138466231. The reversal of 138466204 is 402664831.

It is a self number, because there is not a number n which added to its sum of digits gives 138466204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138466201) 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 as a sum of consecutive naturals, namely, 17308272 + ... + 17308279.

Almost surely, 2^138466204 is an apocalyptic number.

It is an amenable number.

138466204 is a deficient number, since it is larger than the sum of its proper divisors (103849660).

138466204 is a wasteful number, since it uses less digits than its factorization.

138466204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34616555 (or 34616553 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 138466204 is about 11767.1663538849. The cubic root of 138466204 is about 517.3461983920.

The spelling of 138466204 in words is "one hundred thirty-eight million, four hundred sixty-six thousand, two hundred four".