138514741 has 2 divisors, whose sum is σ = 138514742. Its totient is φ = 138514740.

The previous prime is 138514723. The next prime is 138514757. The reversal of 138514741 is 147415831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135722500 + 2792241 = 11650^2 + 1671^2 .

It is an emirp because it is prime and its reverse (147415831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 138514741 - 2⁷ = 138514613 is a prime.

It is equal to p_7832851 and since 138514741 and 7832851 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 138514697 and 138514706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138514711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69257370 + 69257371.

It is an arithmetic number, because the mean of its divisors is an integer number (69257371).

Almost surely, 2^138514741 is an apocalyptic number.

It is an amenable number.

138514741 is a deficient number, since it is larger than the sum of its proper divisors (1).

138514741 is an equidigital number, since it uses as much as digits as its factorization.

138514741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 34.

The square root of 138514741 is about 11769.2285643537. The cubic root of 138514741 is about 517.4066403344.

The spelling of 138514741 in words is "one hundred thirty-eight million, five hundred fourteen thousand, seven hundred forty-one".