138116054 has 16 divisors (see below), whose sum is σ = 218384880. Its totient is φ = 65331360.

The previous prime is 138116047. The next prime is 138116057. The reversal of 138116054 is 450611831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138116057) 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 in 7 ways as a sum of consecutive naturals, for example, 30284 + ... + 34544.

It is an arithmetic number, because the mean of its divisors is an integer number (13649055).

Almost surely, 2^138116054 is an apocalyptic number.

138116054 is a deficient number, since it is larger than the sum of its proper divisors (80268826).

138116054 is a wasteful number, since it uses less digits than its factorization.

138116054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5135.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 138116054 is about 11752.2786726660. The cubic root of 138116054 is about 516.9097460884.

Adding to 138116054 its reverse (450611831), we get a palindrome (588727885).

The spelling of 138116054 in words is "one hundred thirty-eight million, one hundred sixteen thousand, fifty-four".