138277363718 has 32 divisors (see below), whose sum is σ = 223781952576. Its totient is φ = 63703075968.

The previous prime is 138277363699. The next prime is 138277363723. The reversal of 138277363718 is 817363772831.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 56739596 + ... + 56742032.

It is an arithmetic number, because the mean of its divisors is an integer number (6993186018).

Almost surely, 2^138277363718 is an apocalyptic number.

138277363718 is a deficient number, since it is larger than the sum of its proper divisors (85504588858).

138277363718 is a wasteful number, since it uses less digits than its factorization.

138277363718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568.

The product of its digits is 7112448, while the sum is 56.

The spelling of 138277363718 in words is "one hundred thirty-eight billion, two hundred seventy-seven million, three hundred sixty-three thousand, seven hundred eighteen".