140202173 has 2 divisors, whose sum is σ = 140202174. Its totient is φ = 140202172.

The previous prime is 140202163. The next prime is 140202191. The reversal of 140202173 is 371202041.

140202173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138250564 + 1951609 = 11758^2 + 1397^2 .

It is a cyclic number.

It is not a de Polignac number, because 140202173 - 2⁶ = 140202109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140202133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70101086 + 70101087.

It is an arithmetic number, because the mean of its divisors is an integer number (70101087).

Almost surely, 2^140202173 is an apocalyptic number.

It is an amenable number.

140202173 is a deficient number, since it is larger than the sum of its proper divisors (1).

140202173 is an equidigital number, since it uses as much as digits as its factorization.

140202173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 140202173 is about 11840.6998526270. The cubic root of 140202173 is about 519.4992380869.

The spelling of 140202173 in words is "one hundred forty million, two hundred two thousand, one hundred seventy-three".