140064446 has 8 divisors (see below), whose sum is σ = 215221104. Its totient is φ = 68324080.

The previous prime is 140064427. The next prime is 140064451. The reversal of 140064446 is 644460041.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853970 + ... + 854133.

It is an arithmetic number, because the mean of its divisors is an integer number (26902638).

Almost surely, 2^140064446 is an apocalyptic number.

140064446 is a deficient number, since it is larger than the sum of its proper divisors (75156658).

140064446 is a wasteful number, since it uses less digits than its factorization.

140064446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708146.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 140064446 is about 11834.8825934185. The cubic root of 140064446 is about 519.3290730757.

The spelling of 140064446 in words is "one hundred forty million, sixty-four thousand, four hundred forty-six".