140040304 has 40 divisors (see below), whose sum is σ = 282861360. Its totient is φ = 67081728.

The previous prime is 140040287. The next prime is 140040311. The reversal of 140040304 is 403040041.

It is a super-2 number, since 2×140040304² = 39222573488824832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 62467 + ... + 64669.

It is an arithmetic number, because the mean of its divisors is an integer number (7071534).

Almost surely, 2^140040304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140040304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141430680).

140040304 is an abundant number, since it is smaller than the sum of its proper divisors (142821056).

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

140040304 is a wasteful number, since it uses less digits than its factorization.

140040304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377 (or 2371 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 140040304 is about 11833.8625984925. The cubic root of 140040304 is about 519.2992335667.

Adding to 140040304 its reverse (403040041), we get a palindrome (543080345).

The spelling of 140040304 in words is "one hundred forty million, forty thousand, three hundred four".