139481200 has 60 divisors (see below), whose sum is σ = 349696368. Its totient is φ = 53363200.

The previous prime is 139481189. The next prime is 139481201. The reversal of 139481200 is 2184931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139481201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1620 + ... + 16780.

Almost surely, 2^139481200 is an apocalyptic number.

139481200 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 139481200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174848184).

139481200 is an abundant number, since it is smaller than the sum of its proper divisors (210215168).

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

139481200 is a wasteful number, since it uses less digits than its factorization.

139481200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15202 (or 15191 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 139481200 is about 11810.2159167392. The cubic root of 139481200 is about 518.6072196200.

The spelling of 139481200 in words is "one hundred thirty-nine million, four hundred eighty-one thousand, two hundred".