140164066 has 16 divisors (see below), whose sum is σ = 246776256. Its totient is φ = 58446576.

The previous prime is 140164061. The next prime is 140164069. The reversal of 140164066 is 660461041.

It is not an unprimeable number, because it can be changed into a prime (140164061) 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, 134776 + ... + 135811.

It is an arithmetic number, because the mean of its divisors is an integer number (15423516).

Almost surely, 2^140164066 is an apocalyptic number.

140164066 is a deficient number, since it is larger than the sum of its proper divisors (106612190).

140164066 is a wasteful number, since it uses less digits than its factorization.

140164066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270633.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 140164066 is about 11839.0905900749. The cubic root of 140164066 is about 519.4521671300.

The spelling of 140164066 in words is "one hundred forty million, one hundred sixty-four thousand, sixty-six".