138500302 has 8 divisors (see below), whose sum is σ = 208106136. Its totient is φ = 69131592.

The previous prime is 138500293. The next prime is 138500303. The reversal of 138500302 is 203005831.

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 (138500303) 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, 57813 + ... + 60160.

It is an arithmetic number, because the mean of its divisors is an integer number (26013267).

Almost surely, 2^138500302 is an apocalyptic number.

138500302 is a deficient number, since it is larger than the sum of its proper divisors (69605834).

138500302 is a wasteful number, since it uses less digits than its factorization.

138500302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118562.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 138500302 is about 11768.6151266833. The cubic root of 138500302 is about 517.3886612755.

The spelling of 138500302 in words is "one hundred thirty-eight million, five hundred thousand, three hundred two".