139050822191 has 8 divisors (see below), whose sum is σ = 139437602304. Its totient is φ = 138664166400.

The previous prime is 139050822187. The next prime is 139050822199. The reversal of 139050822191 is 191228050931.

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 139050822191 - 2² = 139050822187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139050822199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2491391 + ... + 2546591.

It is an arithmetic number, because the mean of its divisors is an integer number (17429700288).

Almost surely, 2^139050822191 is an apocalyptic number.

139050822191 is a deficient number, since it is larger than the sum of its proper divisors (386780113).

139050822191 is an equidigital number, since it uses as much as digits as its factorization.

139050822191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62161.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 139050822191 in words is "one hundred thirty-nine billion, fifty million, eight hundred twenty-two thousand, one hundred ninety-one".