141840666 has 32 divisors (see below), whose sum is σ = 343857600. Its totient is φ = 42981840.

The previous prime is 141840641. The next prime is 141840683. The reversal of 141840666 is 666048141.

It is a self number, because there is not a number n which added to its sum of digits gives 141840666.

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 15 ways as a sum of consecutive naturals, for example, 118801 + ... + 119988.

It is an arithmetic number, because the mean of its divisors is an integer number (10745550).

Almost surely, 2^141840666 is an apocalyptic number.

141840666 is an abundant number, since it is smaller than the sum of its proper divisors (202016934).

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

141840666 is a wasteful number, since it uses less digits than its factorization.

141840666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238811 (or 238805 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 141840666 is about 11909.6879052308. The cubic root of 141840666 is about 521.5151396826.

The spelling of 141840666 in words is "one hundred forty-one million, eight hundred forty thousand, six hundred sixty-six".