140020193 has 8 divisors (see below), whose sum is σ = 142836096. Its totient is φ = 137221200.

The previous prime is 140020171. The next prime is 140020213. The reversal of 140020193 is 391020041.

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 140020193 - 2¹⁰ = 140019169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140020103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13208 + ... + 21318.

It is an arithmetic number, because the mean of its divisors is an integer number (17854512).

Almost surely, 2^140020193 is an apocalyptic number.

It is an amenable number.

140020193 is a deficient number, since it is larger than the sum of its proper divisors (2815903).

140020193 is an equidigital number, since it uses as much as digits as its factorization.

140020193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8455.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 140020193 is about 11833.0128454253. The cubic root of 140020193 is about 519.2743737548.

The spelling of 140020193 in words is "one hundred forty million, twenty thousand, one hundred ninety-three".