138730541696 has 16 divisors (see below), whose sum is σ = 276377251290. Its totient is φ = 69365270784.

The previous prime is 138730541693. The next prime is 138730541701. The reversal of 138730541696 is 696145037831.

It can be written as a sum of positive squares in only one way, i.e., 108083137600 + 30647404096 = 328760^2 + 175064^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (138730541693) 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 as a sum of consecutive naturals, namely, 541916051 + ... + 541916306.

Almost surely, 2^138730541696 is an apocalyptic number.

138730541696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

138730541696 is a deficient number, since it is larger than the sum of its proper divisors (137646709594).

138730541696 is an equidigital number, since it uses as much as digits as its factorization.

138730541696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083832371 (or 1083832359 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 138730541696 in words is "one hundred thirty-eight billion, seven hundred thirty million, five hundred forty-one thousand, six hundred ninety-six".