138588803 has 2 divisors, whose sum is σ = 138588804. Its totient is φ = 138588802.

The previous prime is 138588757. The next prime is 138588839. The reversal of 138588803 is 308885831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138588803 - 2²⁶ = 71479939 is a prime.

It is not a weakly prime, because it can be changed into another prime (138587803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69294401 + 69294402.

It is an arithmetic number, because the mean of its divisors is an integer number (69294402).

Almost surely, 2^138588803 is an apocalyptic number.

138588803 is a deficient number, since it is larger than the sum of its proper divisors (1).

138588803 is an equidigital number, since it uses as much as digits as its factorization.

138588803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 138588803 is about 11772.3745693042. The cubic root of 138588803 is about 517.4988407327.

The spelling of 138588803 in words is "one hundred thirty-eight million, five hundred eighty-eight thousand, eight hundred three".