140323208 has 16 divisors (see below), whose sum is σ = 276954000. Its totient is φ = 66468816.

The previous prime is 140323123. The next prime is 140323217. The reversal of 140323208 is 802323041.

It is a super-2 number, since 2×140323208² = 39381205406822528, which contains 22 as substring.

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, 461438 + ... + 461741.

It is an arithmetic number, because the mean of its divisors is an integer number (17309625).

Almost surely, 2^140323208 is an apocalyptic number.

It is an amenable number.

140323208 is a deficient number, since it is larger than the sum of its proper divisors (136630792).

140323208 is a wasteful number, since it uses less digits than its factorization.

140323208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923204 (or 923200 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 140323208 is about 11845.8097232735. The cubic root of 140323208 is about 519.6486877560.

Adding to 140323208 its reverse (802323041), we get a palindrome (942646249).

The spelling of 140323208 in words is "one hundred forty million, three hundred twenty-three thousand, two hundred eight".