140008006 has 4 divisors (see below), whose sum is σ = 210012012. Its totient is φ = 70004002.

The previous prime is 140007983. The next prime is 140008007. The reversal of 140008006 is 600800041.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140008007) 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 as a sum of consecutive naturals, namely, 35002000 + ... + 35002003.

It is an arithmetic number, because the mean of its divisors is an integer number (52503003).

Almost surely, 2^140008006 is an apocalyptic number.

140008006 is a deficient number, since it is larger than the sum of its proper divisors (70004006).

140008006 is an equidigital number, since it uses as much as digits as its factorization.

140008006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70004005.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 140008006 is about 11832.4978766108. The cubic root of 140008006 is about 519.2593078792.

Adding to 140008006 its reverse (600800041), we get a palindrome (740808047).

The spelling of 140008006 in words is "one hundred forty million, eight thousand, six".