138513341 has 2 divisors, whose sum is σ = 138513342. Its totient is φ = 138513340.

The previous prime is 138513313. The next prime is 138513379. The reversal of 138513341 is 143315831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125910841 + 12602500 = 11221^2 + 3550^2 .

It is a cyclic number.

It is not a de Polignac number, because 138513341 - 2²⁶ = 71404477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138513041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69256670 + 69256671.

It is an arithmetic number, because the mean of its divisors is an integer number (69256671).

Almost surely, 2^138513341 is an apocalyptic number.

It is an amenable number.

138513341 is a deficient number, since it is larger than the sum of its proper divisors (1).

138513341 is an equidigital number, since it uses as much as digits as its factorization.

138513341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 138513341 is about 11769.1690870681. The cubic root of 138513341 is about 517.4048971463.

The spelling of 138513341 in words is "one hundred thirty-eight million, five hundred thirteen thousand, three hundred forty-one".