139988800 has 168 divisors, whose sum is σ = 408188160. Its totient is φ = 46233600.

The previous prime is 139988773. The next prime is 139988803. The reversal of 139988800 is 8889931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139988803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324585 + ... + 325015.

Almost surely, 2^139988800 is an apocalyptic number.

139988800 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 139988800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204094080).

139988800 is an abundant number, since it is smaller than the sum of its proper divisors (268199360).

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

139988800 is a wasteful number, since it uses less digits than its factorization.

139988800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 139988800 is about 11831.6862703505. The cubic root of 139988800 is about 519.2355631649.

The spelling of 139988800 in words is "one hundred thirty-nine million, nine hundred eighty-eight thousand, eight hundred".