140223434194 has 8 divisors (see below), whose sum is σ = 210441763980. Its totient is φ = 70076179536.

The previous prime is 140223434191. The next prime is 140223434209. The reversal of 140223434194 is 491434322041.

It can be written as a sum of positive squares in 2 ways, for example, as 137199864025 + 3023570169 = 370405^2 + 54987^2 .

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

It is a super-2 number, since 2×140223434194² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140223434191) 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, 17763849 + ... + 17771740.

Almost surely, 2^140223434194 is an apocalyptic number.

140223434194 is a deficient number, since it is larger than the sum of its proper divisors (70218329786).

140223434194 is a wasteful number, since it uses less digits than its factorization.

140223434194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35537564.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 140223434194 in words is "one hundred forty billion, two hundred twenty-three million, four hundred thirty-four thousand, one hundred ninety-four".