140404302 has 24 divisors (see below), whose sum is σ = 304622136. Its totient is φ = 46737936.

The previous prime is 140404279. The next prime is 140404333. The reversal of 140404302 is 203404041.

140404302 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 (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9453 + ... + 19239.

It is an arithmetic number, because the mean of its divisors is an integer number (12692589).

Almost surely, 2^140404302 is an apocalyptic number.

140404302 is an abundant number, since it is smaller than the sum of its proper divisors (164217834).

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

140404302 is a wasteful number, since it uses less digits than its factorization.

140404302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10592 (or 10589 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 140404302 is about 11849.2321270199. The cubic root of 140404302 is about 519.7487716413.

Adding to 140404302 its reverse (203404041), we get a palindrome (343808343).

The spelling of 140404302 in words is "one hundred forty million, four hundred four thousand, three hundred two".