138482849121 has 16 divisors (see below), whose sum is σ = 184874047104. Its totient is φ = 92206848384.

The previous prime is 138482849119. The next prime is 138482849123. The reversal of 138482849121 is 121948284831.

It is an interprime number because it is at equal distance from previous prime (138482849119) and next prime (138482849123).

It is not a de Polignac number, because 138482849121 - 2¹ = 138482849119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138482849123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9518965 + ... + 9533501.

It is an arithmetic number, because the mean of its divisors is an integer number (11554627944).

Almost surely, 2^138482849121 is an apocalyptic number.

It is an amenable number.

138482849121 is a deficient number, since it is larger than the sum of its proper divisors (46391197983).

138482849121 is a wasteful number, since it uses less digits than its factorization.

138482849121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18280.

The product of its digits is 884736, while the sum is 51.

The spelling of 138482849121 in words is "one hundred thirty-eight billion, four hundred eighty-two million, eight hundred forty-nine thousand, one hundred twenty-one".