138880201 has 2 divisors, whose sum is σ = 138880202. Its totient is φ = 138880200.

The previous prime is 138880171. The next prime is 138880207. The reversal of 138880201 is 102088831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137452176 + 1428025 = 11724^2 + 1195^2 .

It is a cyclic number.

It is not a de Polignac number, because 138880201 - 2⁵ = 138880169 is a prime.

It is a super-3 number, since 3×138880201³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (138880207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69440100 + 69440101.

It is an arithmetic number, because the mean of its divisors is an integer number (69440101).

Almost surely, 2^138880201 is an apocalyptic number.

It is an amenable number.

138880201 is a deficient number, since it is larger than the sum of its proper divisors (1).

138880201 is an equidigital number, since it uses as much as digits as its factorization.

138880201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 138880201 is about 11784.7444181026. The cubic root of 138880201 is about 517.8612859842.

The spelling of 138880201 in words is "one hundred thirty-eight million, eight hundred eighty thousand, two hundred one".