138756100 has 36 divisors (see below), whose sum is σ = 344116864. Its totient is φ = 47573280.

The previous prime is 138756083. The next prime is 138756119. The reversal of 138756100 is 1657831.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98412 + ... + 99811.

Almost surely, 2^138756100 is an apocalyptic number.

138756100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138756100 is an abundant number, since it is smaller than the sum of its proper divisors (205360764).

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

138756100 is a wasteful number, since it uses less digits than its factorization.

138756100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198244 (or 198237 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 138756100 is about 11779.4779171235. The cubic root of 138756100 is about 517.7069893190.

The spelling of 138756100 in words is "one hundred thirty-eight million, seven hundred fifty-six thousand, one hundred".