138572230329 has 32 divisors (see below), whose sum is σ = 221576544000. Its totient is φ = 85085199360.

The previous prime is 138572230297. The next prime is 138572230331. The reversal of 138572230329 is 923032275831.

138572230329 is a `hidden beast` number, since 1 + 38 + 572 + 23 + 0 + 3 + 29 = 666.

It is not a de Polignac number, because 138572230329 - 2⁵ = 138572230297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138572232329) 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 31 ways as a sum of consecutive naturals, for example, 282037 + ... + 597234.

It is an arithmetic number, because the mean of its divisors is an integer number (6924267000).

Almost surely, 2^138572230329 is an apocalyptic number.

It is an amenable number.

138572230329 is a deficient number, since it is larger than the sum of its proper divisors (83004313671).

138572230329 is a wasteful number, since it uses less digits than its factorization.

138572230329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879742 (or 879736 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 138572230329 in words is "one hundred thirty-eight billion, five hundred seventy-two million, two hundred thirty thousand, three hundred twenty-nine".