139855200 has 144 divisors (see below), whose sum is σ = 479344320. Its totient is φ = 35320320.

The previous prime is 139855159. The next prime is 139855237. The reversal of 139855200 is 2558931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44067 + ... + 47133.

It is an arithmetic number, because the mean of its divisors is an integer number (3328780).

Almost surely, 2^139855200 is an apocalyptic number.

139855200 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 139855200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239672160).

139855200 is an abundant number, since it is smaller than the sum of its proper divisors (339489120).

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

139855200 is a wasteful number, since it uses less digits than its factorization.

139855200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109 (or 3096 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 139855200 is about 11826.0390663992. The cubic root of 139855200 is about 519.0703310155.

The spelling of 139855200 in words is "one hundred thirty-nine million, eight hundred fifty-five thousand, two hundred".