138576583 has 2 divisors, whose sum is σ = 138576584. Its totient is φ = 138576582.

The previous prime is 138576577. The next prime is 138576589. The reversal of 138576583 is 385675831.

It is a balanced prime because it is at equal distance from previous prime (138576577) and next prime (138576589).

It is a cyclic number.

It is not a de Polignac number, because 138576583 - 2⁹ = 138576071 is a prime.

It is a super-3 number, since 3×138576583³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138576589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69288291 + 69288292.

It is an arithmetic number, because the mean of its divisors is an integer number (69288292).

Almost surely, 2^138576583 is an apocalyptic number.

138576583 is a deficient number, since it is larger than the sum of its proper divisors (1).

138576583 is an equidigital number, since it uses as much as digits as its factorization.

138576583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The square root of 138576583 is about 11771.8555461745. The cubic root of 138576583 is about 517.4836302165.

The spelling of 138576583 in words is "one hundred thirty-eight million, five hundred seventy-six thousand, five hundred eighty-three".