140204166 has 16 divisors (see below), whose sum is σ = 286929984. Its totient is φ = 45647784.

The previous prime is 140204161. The next prime is 140204167. The reversal of 140204166 is 661402041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140204161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271456 + ... + 271971.

It is an arithmetic number, because the mean of its divisors is an integer number (17933124).

Almost surely, 2^140204166 is an apocalyptic number.

140204166 is an abundant number, since it is smaller than the sum of its proper divisors (146725818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140204166 is a wasteful number, since it uses less digits than its factorization.

140204166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543475.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 140204166 is about 11840.7840112047. The cubic root of 140204166 is about 519.5016996680.

The spelling of 140204166 in words is "one hundred forty million, two hundred four thousand, one hundred sixty-six".