140034666 has 8 divisors (see below), whose sum is σ = 280069344. Its totient is φ = 46678220.

The previous prime is 140034637. The next prime is 140034679. The reversal of 140034666 is 666430041.

It is a sphenic number, since it is the product of 3 distinct primes.

140034666 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 11669550 + ... + 11669561.

It is an arithmetic number, because the mean of its divisors is an integer number (35008668).

Almost surely, 2^140034666 is an apocalyptic number.

140034666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140034666 is a wasteful number, since it uses less digits than its factorization.

140034666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23339116.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 140034666 is about 11833.6243813973. The cubic root of 140034666 is about 519.2922645055.

The spelling of 140034666 in words is "one hundred forty million, thirty-four thousand, six hundred sixty-six".