138573303427605 has 64 divisors (see below), whose sum is σ = 227637162086400. Its totient is φ = 71957038521600.

The previous prime is 138573303427591. The next prime is 138573303427607. The reversal of 138573303427605 is 506724303375831.

It is a de Polignac number, because none of the positive numbers 2^k-138573303427605 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138573303427607) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 235756330 + ... + 236343380.

It is an arithmetic number, because the mean of its divisors is an integer number (3556830657600).

Almost surely, 2^{138573303427605} is an apocalyptic number.

138573303427605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

138573303427605 is a deficient number, since it is larger than the sum of its proper divisors (89063858658795).

138573303427605 is a wasteful number, since it uses less digits than its factorization.

138573303427605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589674.

The product of its (nonzero) digits is 38102400, while the sum is 57.

The spelling of 138573303427605 in words is "one hundred thirty-eight trillion, five hundred seventy-three billion, three hundred three million, four hundred twenty-seven thousand, six hundred five".