139480400 has 60 divisors (see below), whose sum is σ = 336734400. Its totient is φ = 55520640.

The previous prime is 139480381. The next prime is 139480447. The reversal of 139480400 is 4084931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94871 + ... + 96329.

It is an arithmetic number, because the mean of its divisors is an integer number (5612240).

Almost surely, 2^139480400 is an apocalyptic number.

139480400 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 139480400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168367200).

139480400 is an abundant number, since it is smaller than the sum of its proper divisors (197254000).

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

139480400 is a wasteful number, since it uses less digits than its factorization.

139480400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 139480400 is about 11810.1820477078. The cubic root of 139480400 is about 518.6062281206.

The spelling of 139480400 in words is "one hundred thirty-nine million, four hundred eighty thousand, four hundred".