138755463 has 16 divisors (see below), whose sum is σ = 230658816. Its totient is φ = 72080640.

The previous prime is 138755447. The next prime is 138755467. The reversal of 138755463 is 364557831.

It is not a de Polignac number, because 138755463 - 2⁴ = 138755447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138755467) by changing a digit.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300106 + ... + 300567.

It is an arithmetic number, because the mean of its divisors is an integer number (14416176).

Almost surely, 2^138755463 is an apocalyptic number.

138755463 is a deficient number, since it is larger than the sum of its proper divisors (91903353).

138755463 is a wasteful number, since it uses less digits than its factorization.

138755463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600694.

The product of its digits is 302400, while the sum is 42.

The square root of 138755463 is about 11779.4508785427. The cubic root of 138755463 is about 517.7061970899.

The spelling of 138755463 in words is "one hundred thirty-eight million, seven hundred fifty-five thousand, four hundred sixty-three".