140304208 has 40 divisors (see below), whose sum is σ = 312167520. Its totient is φ = 60416640.

The previous prime is 140304187. The next prime is 140304223. The reversal of 140304208 is 802403041.

140304208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17635 + ... + 24322.

It is an arithmetic number, because the mean of its divisors is an integer number (7804188).

Almost surely, 2^140304208 is an apocalyptic number.

It is an amenable number.

140304208 is an abundant number, since it is smaller than the sum of its proper divisors (171863312).

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

140304208 is a wasteful number, since it uses less digits than its factorization.

140304208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41995 (or 41989 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 140304208 is about 11845.0077247759. The cubic root of 140304208 is about 519.6252329266.

Adding to 140304208 its reverse (802403041), we get a palindrome (942707249).

The spelling of 140304208 in words is "one hundred forty million, three hundred four thousand, two hundred eight".