138581174200 has 48 divisors (see below), whose sum is σ = 368229980880. Its totient is φ = 47513544960.

The previous prime is 138581174197. The next prime is 138581174201. The reversal of 138581174200 is 2471185831.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138581174201) 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, 49491877 + ... + 49494676.

It is an arithmetic number, because the mean of its divisors is an integer number (7671457935).

Almost surely, 2^138581174200 is an apocalyptic number.

138581174200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138581174200 is an abundant number, since it is smaller than the sum of its proper divisors (229648806680).

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

138581174200 is a wasteful number, since it uses less digits than its factorization.

138581174200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98986576 (or 98986567 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 138581174200 in words is "one hundred thirty-eight billion, five hundred eighty-one million, one hundred seventy-four thousand, two hundred".