139794400 has 144 divisors (see below), whose sum is σ = 381069360. Its totient is φ = 49766400.

The previous prime is 139794377. The next prime is 139794427. The reversal of 139794400 is 4497931.

It is a self number, because there is not a number n which added to its sum of digits gives 139794400.

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, 258130 + ... + 258670.

It is an arithmetic number, because the mean of its divisors is an integer number (2646315).

Almost surely, 2^139794400 is an apocalyptic number.

139794400 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 139794400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190534680).

139794400 is an abundant number, since it is smaller than the sum of its proper divisors (241274960).

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

139794400 is a wasteful number, since it uses less digits than its factorization.

139794400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 139794400 is about 11823.4681883109. The cubic root of 139794400 is about 518.9951007045.

The spelling of 139794400 in words is "one hundred thirty-nine million, seven hundred ninety-four thousand, four hundred".