138816856483 has 2 divisors, whose sum is σ = 138816856484. Its totient is φ = 138816856482.

The previous prime is 138816856469. The next prime is 138816856499. The reversal of 138816856483 is 384658618831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138816856483 - 2³⁷ = 1377903011 is a prime.

It is not a weakly prime, because it can be changed into another prime (138816856433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69408428241 + 69408428242.

It is an arithmetic number, because the mean of its divisors is an integer number (69408428242).

Almost surely, 2^138816856483 is an apocalyptic number.

138816856483 is a deficient number, since it is larger than the sum of its proper divisors (1).

138816856483 is an equidigital number, since it uses as much as digits as its factorization.

138816856483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26542080, while the sum is 61.

The spelling of 138816856483 in words is "one hundred thirty-eight billion, eight hundred sixteen million, eight hundred fifty-six thousand, four hundred eighty-three".