138560010523 has 8 divisors (see below), whose sum is σ = 151783582896. Its totient is φ = 125440972800.

The previous prime is 138560010521. The next prime is 138560010541. The reversal of 138560010523 is 325010065831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138560010523 - 2¹ = 138560010521 is a prime.

It is a super-2 number, since 2×138560010523² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138560010521) 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, 26130886 + ... + 26136187.

It is an arithmetic number, because the mean of its divisors is an integer number (18972947862).

Almost surely, 2^138560010523 is an apocalyptic number.

138560010523 is a deficient number, since it is larger than the sum of its proper divisors (13223572373).

138560010523 is a wasteful number, since it uses less digits than its factorization.

138560010523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52267325.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 138560010523 in words is "one hundred thirty-eight billion, five hundred sixty million, ten thousand, five hundred twenty-three".