138577203 has 16 divisors (see below), whose sum is σ = 216105600. Its totient is φ = 87522120.

The previous prime is 138577189. The next prime is 138577213. The reversal of 138577203 is 302775831.

138577203 is a `hidden beast` number, since 1 + 385 + 77 + 203 = 666.

It is not a de Polignac number, because 138577203 - 2¹⁸ = 138315059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138577213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134553 + ... + 135578.

It is an arithmetic number, because the mean of its divisors is an integer number (13506600).

Almost surely, 2^138577203 is an apocalyptic number.

138577203 is a deficient number, since it is larger than the sum of its proper divisors (77528397).

138577203 is a wasteful number, since it uses less digits than its factorization.

138577203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270159 (or 270153 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 138577203 is about 11771.8818801413. The cubic root of 138577203 is about 517.4844019663.

The spelling of 138577203 in words is "one hundred thirty-eight million, five hundred seventy-seven thousand, two hundred three".