139222785181 has 8 divisors (see below), whose sum is σ = 140328115200. Its totient is φ = 138117597408.

The previous prime is 139222785161. The next prime is 139222785239. The reversal of 139222785181 is 181587222931.

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

It is a cyclic number.

It is not a de Polignac number, because 139222785181 - 2⁹ = 139222784669 is a prime.

It is a super-2 number, since 2×139222785181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139222785101) 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, 2858370 + ... + 2906668.

It is an arithmetic number, because the mean of its divisors is an integer number (17541014400).

Almost surely, 2^139222785181 is an apocalyptic number.

It is an amenable number.

139222785181 is a deficient number, since it is larger than the sum of its proper divisors (1105330019).

139222785181 is a wasteful number, since it uses less digits than its factorization.

139222785181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71123.

The product of its digits is 483840, while the sum is 49.

The spelling of 139222785181 in words is "one hundred thirty-nine billion, two hundred twenty-two million, seven hundred eighty-five thousand, one hundred eighty-one".