140093193 has 4 divisors (see below), whose sum is σ = 186790928. Its totient is φ = 93395460.

The previous prime is 140093189. The next prime is 140093203. The reversal of 140093193 is 391390041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140093193 - 2² = 140093189 is a prime.

It is a super-2 number, since 2×140093193² = 39252205449870498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140093193.

It is not an unprimeable number, because it can be changed into a prime (140094193) 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, 23348863 + ... + 23348868.

It is an arithmetic number, because the mean of its divisors is an integer number (46697732).

Almost surely, 2^140093193 is an apocalyptic number.

It is an amenable number.

140093193 is a deficient number, since it is larger than the sum of its proper divisors (46697735).

140093193 is an equidigital number, since it uses as much as digits as its factorization.

140093193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46697734.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 140093193 is about 11836.0970340734. The cubic root of 140093193 is about 519.3645998922.

The spelling of 140093193 in words is "one hundred forty million, ninety-three thousand, one hundred ninety-three".