139717905850198 has 8 divisors (see below), whose sum is σ = 225698155604208. Its totient is φ = 64485187315464.

The previous prime is 139717905850183. The next prime is 139717905850199. The reversal of 139717905850198 is 891058509717931.

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

It is a self number, because there is not a number n which added to its sum of digits gives 139717905850198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139717905850199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2686882804786 + ... + 2686882804837.

It is an arithmetic number, because the mean of its divisors is an integer number (28212269450526).

Almost surely, 2^{139717905850198} is an apocalyptic number.

139717905850198 is a deficient number, since it is larger than the sum of its proper divisors (85980249754010).

139717905850198 is a wasteful number, since it uses less digits than its factorization.

139717905850198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373765609638.

The product of its (nonzero) digits is 171460800, while the sum is 73.

The spelling of 139717905850198 in words is "one hundred thirty-nine trillion, seven hundred seventeen billion, nine hundred five million, eight hundred fifty thousand, one hundred ninety-eight".