138854801020210 has 48 divisors (see below), whose sum is σ = 274748421225600. Its totient is φ = 50488523977760.

The previous prime is 138854801020127. The next prime is 138854801020217. The reversal of 138854801020210 is 12020108458831.

It is a super-2 number, since 2×138854801020210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138854801020217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10121061 + ... + 19497319.

It is an arithmetic number, because the mean of its divisors is an integer number (5723925442200).

Almost surely, 2^{138854801020210} is an apocalyptic number.

138854801020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138854801020210 is a deficient number, since it is larger than the sum of its proper divisors (135893620205390).

138854801020210 is a wasteful number, since it uses less digits than its factorization.

138854801020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9388527 (or 9388516 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 138854801020210 in words is "one hundred thirty-eight trillion, eight hundred fifty-four billion, eight hundred one million, twenty thousand, two hundred ten".