138291301 has 2 divisors, whose sum is σ = 138291302. Its totient is φ = 138291300.

The previous prime is 138291289. The next prime is 138291313. The reversal of 138291301 is 103192831.

It is a balanced prime because it is at equal distance from previous prime (138291289) and next prime (138291313).

It can be written as a sum of positive squares in only one way, i.e., 135699201 + 2592100 = 11649^2 + 1610^2 .

It is a cyclic number.

It is not a de Polignac number, because 138291301 - 2¹¹ = 138289253 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138291301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138291371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69145650 + 69145651.

It is an arithmetic number, because the mean of its divisors is an integer number (69145651).

Almost surely, 2^138291301 is an apocalyptic number.

It is an amenable number.

138291301 is a deficient number, since it is larger than the sum of its proper divisors (1).

138291301 is an equidigital number, since it uses as much as digits as its factorization.

138291301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 138291301 is about 11759.7321823246. The cubic root of 138291301 is about 517.1282787239.

The spelling of 138291301 in words is "one hundred thirty-eight million, two hundred ninety-one thousand, three hundred one".