140166306 has 48 divisors (see below), whose sum is σ = 365352000. Its totient is φ = 37939104.

The previous prime is 140166293. The next prime is 140166311. The reversal of 140166306 is 603661041.

140166306 is a `hidden beast` number, since 14 + 0 + 16 + 630 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 140166306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26881 + ... + 31668.

It is an arithmetic number, because the mean of its divisors is an integer number (7611500).

Almost surely, 2^140166306 is an apocalyptic number.

140166306 is an abundant number, since it is smaller than the sum of its proper divisors (225185694).

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

140166306 is a wasteful number, since it uses less digits than its factorization.

140166306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58583 (or 58580 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 140166306 is about 11839.1851915577. The cubic root of 140166306 is about 519.4549342840.

The spelling of 140166306 in words is "one hundred forty million, one hundred sixty-six thousand, three hundred six".