138095663 has 2 divisors, whose sum is σ = 138095664. Its totient is φ = 138095662.

The previous prime is 138095627. The next prime is 138095681. The reversal of 138095663 is 366590831.

138095663 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 138095663 - 2⁶ = 138095599 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138095663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138095623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69047831 + 69047832.

It is an arithmetic number, because the mean of its divisors is an integer number (69047832).

Almost surely, 2^138095663 is an apocalyptic number.

138095663 is a deficient number, since it is larger than the sum of its proper divisors (1).

138095663 is an equidigital number, since it uses as much as digits as its factorization.

138095663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 138095663 is about 11751.4111067565. The cubic root of 138095663 is about 516.8843065514.

The spelling of 138095663 in words is "one hundred thirty-eight million, ninety-five thousand, six hundred sixty-three".