138848700 has 72 divisors (see below), whose sum is σ = 419223168. Its totient is φ = 35414720.

The previous prime is 138848693. The next prime is 138848729. The reversal of 138848700 is 7848831.

It is a super-2 number, since 2×138848700² = 38557922983380000, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 3162 + ... + 16961.

It is an arithmetic number, because the mean of its divisors is an integer number (5822544).

Almost surely, 2^138848700 is an apocalyptic number.

138848700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138848700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209611584).

138848700 is an abundant number, since it is smaller than the sum of its proper divisors (280374468).

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

138848700 is a wasteful number, since it uses less digits than its factorization.

138848700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20163 (or 20156 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 138848700 is about 11783.4078262615. The cubic root of 138848700 is about 517.8221290182.

The spelling of 138848700 in words is "one hundred thirty-eight million, eight hundred forty-eight thousand, seven hundred".