138541304 has 16 divisors (see below), whose sum is σ = 283380120. Its totient is φ = 62973280.

The previous prime is 138541303. The next prime is 138541307. The reversal of 138541304 is 403145831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138541303) 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 3 ways as a sum of consecutive naturals, for example, 787079 + ... + 787254.

Almost surely, 2^138541304 is an apocalyptic number.

It is an amenable number.

138541304 is an abundant number, since it is smaller than the sum of its proper divisors (144838816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138541304 is a wasteful number, since it uses less digits than its factorization.

138541304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574350 (or 1574346 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 138541304 is about 11770.3570039315. The cubic root of 138541304 is about 517.4397126126.

The spelling of 138541304 in words is "one hundred thirty-eight million, five hundred forty-one thousand, three hundred four".