138182484578 has 16 divisors (see below), whose sum is σ = 207696873600. Its totient is φ = 68950280256.

The previous prime is 138182484571. The next prime is 138182484589. The reversal of 138182484578 is 875484281831.

It is not an unprimeable number, because it can be changed into a prime (138182484571) 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 7 ways as a sum of consecutive naturals, for example, 3438650 + ... + 3478602.

It is an arithmetic number, because the mean of its divisors is an integer number (12981054600).

Almost surely, 2^138182484578 is an apocalyptic number.

138182484578 is a deficient number, since it is larger than the sum of its proper divisors (69514389022).

138182484578 is a wasteful number, since it uses less digits than its factorization.

138182484578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43441.

The product of its digits is 13762560, while the sum is 59.

The spelling of 138182484578 in words is "one hundred thirty-eight billion, one hundred eighty-two million, four hundred eighty-four thousand, five hundred seventy-eight".