140162201 has 4 divisors (see below), whose sum is σ = 142460004. Its totient is φ = 137864400.

The previous prime is 140162177. The next prime is 140162203. The reversal of 140162201 is 102261041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102261041 = 2153 ⋅47497.

It can be written as a sum of positive squares in 2 ways, for example, as 16974400 + 123187801 = 4120^2 + 11099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140162201 is a prime.

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 140162201.

It is not an unprimeable number, because it can be changed into a prime (140162203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148810 + ... + 1148931.

It is an arithmetic number, because the mean of its divisors is an integer number (35615001).

Almost surely, 2^140162201 is an apocalyptic number.

It is an amenable number.

140162201 is a deficient number, since it is larger than the sum of its proper divisors (2297803).

140162201 is an equidigital number, since it uses as much as digits as its factorization.

140162201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297802.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 140162201 is about 11839.0118253172. The cubic root of 140162201 is about 519.4498632048.

The spelling of 140162201 in words is "one hundred forty million, one hundred sixty-two thousand, two hundred one".