138983900 has 36 divisors (see below), whose sum is σ = 329015400. Its totient is φ = 50539200.

The previous prime is 138983899. The next prime is 138983939. The reversal of 138983900 is 9389831.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 62075 + ... + 64274.

Almost surely, 2^138983900 is an apocalyptic number.

138983900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138983900 is an abundant number, since it is smaller than the sum of its proper divisors (190031500).

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

138983900 is a wasteful number, since it uses less digits than its factorization.

138983900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126374 (or 126367 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 138983900 is about 11789.1433106906. The cubic root of 138983900 is about 517.9901460537.

The spelling of 138983900 in words is "one hundred thirty-eight million, nine hundred eighty-three thousand, nine hundred".