140304012 has 48 divisors (see below), whose sum is σ = 337784832. Its totient is φ = 45299520.

The previous prime is 140304011. The next prime is 140304019. The reversal of 140304012 is 210403041.

140304012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140304012² = 39370431566592288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140303982 and 140304000.

It is not an unprimeable number, because it can be changed into a prime (140304011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64462 + ... + 66602.

It is an arithmetic number, because the mean of its divisors is an integer number (7037184).

Almost surely, 2^140304012 is an apocalyptic number.

140304012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140304012 is an abundant number, since it is smaller than the sum of its proper divisors (197480820).

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

140304012 is a wasteful number, since it uses less digits than its factorization.

140304012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318 (or 2316 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140304012 is about 11844.9994512452. Note that the first 3 decimals coincide. The cubic root of 140304012 is about 519.6249909605.

Adding to 140304012 its reverse (210403041), we get a palindrome (350707053).

The spelling of 140304012 in words is "one hundred forty million, three hundred four thousand, twelve".