138226200 has 96 divisors (see below), whose sum is σ = 489730560. Its totient is φ = 31593600.

The previous prime is 138226199. The next prime is 138226213. The reversal of 138226200 is 2622831.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 12256 + ... + 20655.

It is an arithmetic number, because the mean of its divisors is an integer number (5101360).

Almost surely, 2^138226200 is an apocalyptic number.

138226200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138226200 is an abundant number, since it is smaller than the sum of its proper divisors (351504360).

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

138226200 is a wasteful number, since it uses less digits than its factorization.

138226200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32937 (or 32928 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 138226200 is about 11756.9638937950. The cubic root of 138226200 is about 517.0471194803.

The spelling of 138226200 in words is "one hundred thirty-eight million, two hundred twenty-six thousand, two hundred".