138786700 has 36 divisors (see below), whose sum is σ = 324336880. Its totient is φ = 51243840.

The previous prime is 138786679. The next prime is 138786737. The reversal of 138786700 is 7687831.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 52080 + ... + 54679.

Almost surely, 2^138786700 is an apocalyptic number.

138786700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138786700 is an abundant number, since it is smaller than the sum of its proper divisors (185550180).

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

138786700 is a wasteful number, since it uses less digits than its factorization.

138786700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106786 (or 106779 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 138786700 is about 11780.7767146313. The cubic root of 138786700 is about 517.7450433084.

The spelling of 138786700 in words is "one hundred thirty-eight million, seven hundred eighty-six thousand, seven hundred".