It is a happy number.
138750885 is a `hidden beast` number, since 138 + 7 + 508 + 8 + 5 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 138750885.
It is a congruent number.
It is an unprimeable number.
Almost surely, 2138750885 is an apocalyptic number.
138750885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138750885 is a wasteful number, since it uses less digits than its factorization.
138750885 is an evil number, because the sum of its binary digits is even.
The square root of 138750885 is about 11779.2565554877. The cubic root of 138750885 is about 517.7005034161.
The spelling of 138750885 in words is "one hundred thirty-eight million, seven hundred fifty thousand, eight hundred eighty-five".