138301708 has 24 divisors (see below), whose sum is σ = 249378192. Its totient is φ = 67063104.

The previous prime is 138301697. The next prime is 138301721. The reversal of 138301708 is 807103831.

It is a self number, because there is not a number n which added to its sum of digits gives 138301708.

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 7 ways as a sum of consecutive naturals, for example, 50010 + ... + 52702.

It is an arithmetic number, because the mean of its divisors is an integer number (10390758).

Almost surely, 2^138301708 is an apocalyptic number.

It is an amenable number.

138301708 is a deficient number, since it is larger than the sum of its proper divisors (111076484).

138301708 is a wasteful number, since it uses less digits than its factorization.

138301708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081 (or 3079 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 138301708 is about 11760.1746585669. The cubic root of 138301708 is about 517.1412504220.

The spelling of 138301708 in words is "one hundred thirty-eight million, three hundred one thousand, seven hundred eight".