138337526141 has 2 divisors, whose sum is σ = 138337526142. Its totient is φ = 138337526140.

The previous prime is 138337526083. The next prime is 138337526221. The reversal of 138337526141 is 141625733831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136076143225 + 2261382916 = 368885^2 + 47554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138337526141 is a prime.

It is a super-2 number, since 2×138337526141² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 138337526092 and 138337526101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138337526941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69168763070 + 69168763071.

It is an arithmetic number, because the mean of its divisors is an integer number (69168763071).

Almost surely, 2^138337526141 is an apocalyptic number.

It is an amenable number.

138337526141 is a deficient number, since it is larger than the sum of its proper divisors (1).

138337526141 is an equidigital number, since it uses as much as digits as its factorization.

138337526141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The spelling of 138337526141 in words is "one hundred thirty-eight billion, three hundred thirty-seven million, five hundred twenty-six thousand, one hundred forty-one".