138582767 has 2 divisors, whose sum is σ = 138582768. Its totient is φ = 138582766.

The previous prime is 138582739. The next prime is 138582791. The reversal of 138582767 is 767285831.

It is a happy number.

138582767 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138582767 - 2¹⁰ = 138581743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138582467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69291383 + 69291384.

It is an arithmetic number, because the mean of its divisors is an integer number (69291384).

Almost surely, 2^138582767 is an apocalyptic number.

138582767 is a deficient number, since it is larger than the sum of its proper divisors (1).

138582767 is an equidigital number, since it uses as much as digits as its factorization.

138582767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 47.

The square root of 138582767 is about 11772.1182036199. The cubic root of 138582767 is about 517.4913276958.

The spelling of 138582767 in words is "one hundred thirty-eight million, five hundred eighty-two thousand, seven hundred sixty-seven".