138532411 has 2 divisors, whose sum is σ = 138532412. Its totient is φ = 138532410.

The previous prime is 138532367. The next prime is 138532417. The reversal of 138532411 is 114235831.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138532411 - 2¹³ = 138524219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138532411.

It is not a weakly prime, because it can be changed into another prime (138532417) 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, 69266205 + 69266206.

It is an arithmetic number, because the mean of its divisors is an integer number (69266206).

Almost surely, 2^138532411 is an apocalyptic number.

138532411 is a deficient number, since it is larger than the sum of its proper divisors (1).

138532411 is an equidigital number, since it uses as much as digits as its factorization.

138532411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 138532411 is about 11769.9792268296. The cubic root of 138532411 is about 517.4286408487.

The spelling of 138532411 in words is "one hundred thirty-eight million, five hundred thirty-two thousand, four hundred eleven".