138095953 has 2 divisors, whose sum is σ = 138095954. Its totient is φ = 138095952.

The previous prime is 138095927. The next prime is 138095957. The reversal of 138095953 is 359590831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134281744 + 3814209 = 11588^2 + 1953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138095953 is a prime.

It is not a weakly prime, because it can be changed into another prime (138095957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69047976 + 69047977.

It is an arithmetic number, because the mean of its divisors is an integer number (69047977).

Almost surely, 2^138095953 is an apocalyptic number.

It is an amenable number.

138095953 is a deficient number, since it is larger than the sum of its proper divisors (1).

138095953 is an equidigital number, since it uses as much as digits as its factorization.

138095953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 138095953 is about 11751.4234456937. The cubic root of 138095953 is about 516.8846683691.

The spelling of 138095953 in words is "one hundred thirty-eight million, ninety-five thousand, nine hundred fifty-three".