140500066 has 16 divisors (see below), whose sum is σ = 241634304. Its totient is φ = 60020064.

The previous prime is 140500057. The next prime is 140500081. The reversal of 140500066 is 660005041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11650 + ... + 20413.

It is an arithmetic number, because the mean of its divisors is an integer number (15102144).

Almost surely, 2^140500066 is an apocalyptic number.

140500066 is a deficient number, since it is larger than the sum of its proper divisors (101134238).

140500066 is a wasteful number, since it uses less digits than its factorization.

140500066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32385.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 140500066 is about 11853.2723751713. The cubic root of 140500066 is about 519.8669112064.

The spelling of 140500066 in words is "one hundred forty million, five hundred thousand, sixty-six".