108138463 has 2 divisors, whose sum is σ = 108138464. Its totient is φ = 108138462.

The previous prime is 108138451. The next prime is 108138473. The reversal of 108138463 is 364831801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108138463 - 2¹⁷ = 108007391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108138403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54069231 + 54069232.

It is an arithmetic number, because the mean of its divisors is an integer number (54069232).

Almost surely, 2^108138463 is an apocalyptic number.

108138463 is a deficient number, since it is larger than the sum of its proper divisors (1).

108138463 is an equidigital number, since it uses as much as digits as its factorization.

108138463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 108138463 is about 10398.9645157583. The cubic root of 108138463 is about 476.4237437827.

The spelling of 108138463 in words is "one hundred eight million, one hundred thirty-eight thousand, four hundred sixty-three".