140101660 has 24 divisors (see below), whose sum is σ = 294497280. Its totient is φ = 55986624.

The previous prime is 140101651. The next prime is 140101669. The reversal of 140101660 is 66101041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140101651) and next prime (140101669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140101669) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22842 + ... + 28318.

It is an arithmetic number, because the mean of its divisors is an integer number (12270720).

Almost surely, 2^140101660 is an apocalyptic number.

140101660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140101660 is an abundant number, since it is smaller than the sum of its proper divisors (154395620).

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

140101660 is a wasteful number, since it uses less digits than its factorization.

140101660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765 (or 6763 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 140101660 is about 11836.4547056963. The cubic root of 140101660 is about 519.3750628595.

The spelling of 140101660 in words is "one hundred forty million, one hundred one thousand, six hundred sixty".