138871301 has 2 divisors, whose sum is σ = 138871302. Its totient is φ = 138871300.

The previous prime is 138871279. The next prime is 138871307. The reversal of 138871301 is 103178831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117202276 + 21669025 = 10826^2 + 4655^2 .

It is a cyclic number.

It is not a de Polignac number, because 138871301 - 2²⁶ = 71762437 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138871307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69435650 + 69435651.

It is an arithmetic number, because the mean of its divisors is an integer number (69435651).

Almost surely, 2^138871301 is an apocalyptic number.

It is an amenable number.

138871301 is a deficient number, since it is larger than the sum of its proper divisors (1).

138871301 is an equidigital number, since it uses as much as digits as its factorization.

138871301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 138871301 is about 11784.3668052212. The cubic root of 138871301 is about 517.8502235388.

The spelling of 138871301 in words is "one hundred thirty-eight million, eight hundred seventy-one thousand, three hundred one".