138071191800 has 96 divisors (see below), whose sum is σ = 428252701680. Its totient is φ = 36799027200.

The previous prime is 138071191793. The next prime is 138071191801. The reversal of 138071191800 is 8191170831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138071191801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1062370 + ... + 1185230.

Almost surely, 2^138071191800 is an apocalyptic number.

138071191800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138071191800 is an abundant number, since it is smaller than the sum of its proper divisors (290181509880).

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

138071191800 is a wasteful number, since it uses less digits than its factorization.

138071191800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124753 (or 124744 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 39.

The spelling of 138071191800 in words is "one hundred thirty-eight billion, seventy-one million, one hundred ninety-one thousand, eight hundred".