138553798400 has 54 divisors (see below), whose sum is σ = 342942315912. Its totient is φ = 55421516800.

The previous prime is 138553798381. The next prime is 138553798441. The reversal of 138553798400 is 4897355831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10818116 + ... + 10830915.

It is an arithmetic number, because the mean of its divisors is an integer number (6350783628).

Almost surely, 2^138553798400 is an apocalyptic number.

138553798400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138553798400 is an abundant number, since it is smaller than the sum of its proper divisors (204388517512).

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

138553798400 is an equidigital number, since it uses as much as digits as its factorization.

138553798400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21649057 (or 21649038 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 138553798400 in words is "one hundred thirty-eight billion, five hundred fifty-three million, seven hundred ninety-eight thousand, four hundred".