140660193 has 16 divisors (see below), whose sum is σ = 198956736. Its totient is φ = 88089600.

The previous prime is 140660161. The next prime is 140660209. The reversal of 140660193 is 391066041.

It is not a de Polignac number, because 140660193 - 2⁵ = 140660161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140660193.

It is not an unprimeable number, because it can be changed into a prime (140660293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27918 + ... + 32568.

It is an arithmetic number, because the mean of its divisors is an integer number (12434796).

Almost surely, 2^140660193 is an apocalyptic number.

It is an amenable number.

140660193 is a deficient number, since it is larger than the sum of its proper divisors (58296543).

140660193 is a wasteful number, since it uses less digits than its factorization.

140660193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 140660193 is about 11860.0249999737. The cubic root of 140660193 is about 520.0643325239.

The spelling of 140660193 in words is "one hundred forty million, six hundred sixty thousand, one hundred ninety-three".