140435066 has 8 divisors (see below), whose sum is σ = 210743424. Its totient is φ = 70187260.

The previous prime is 140435051. The next prime is 140435093. The reversal of 140435066 is 660534041.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8810 + ... + 18933.

It is an arithmetic number, because the mean of its divisors is an integer number (26342928).

Almost surely, 2^140435066 is an apocalyptic number.

140435066 is a deficient number, since it is larger than the sum of its proper divisors (70308358).

140435066 is a wasteful number, since it uses less digits than its factorization.

140435066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30276.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 140435066 is about 11850.5301991092. The cubic root of 140435066 is about 519.7867296034.

The spelling of 140435066 in words is "one hundred forty million, four hundred thirty-five thousand, sixty-six".