138877708 has 6 divisors (see below), whose sum is σ = 243035996. Its totient is φ = 69438852.

The previous prime is 138877699. The next prime is 138877721. The reversal of 138877708 is 807778831.

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 as a sum of consecutive naturals, namely, 17359710 + ... + 17359717.

Almost surely, 2^138877708 is an apocalyptic number.

It is an amenable number.

138877708 is a deficient number, since it is larger than the sum of its proper divisors (104158288).

138877708 is a wasteful number, since it uses less digits than its factorization.

138877708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34719431 (or 34719429 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 49.

The square root of 138877708 is about 11784.6386452873. The cubic root of 138877708 is about 517.8581873042.

The spelling of 138877708 in words is "one hundred thirty-eight million, eight hundred seventy-seven thousand, seven hundred eight".