140306301 has 12 divisors (see below), whose sum is σ = 202772700. Its totient is φ = 93487680.

The previous prime is 140306293. The next prime is 140306303. The reversal of 140306301 is 103603041.

140306301 is a `hidden beast` number, since 1 + 4 + 0 + 30 + 630 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42889401 + 97416900 = 6549^2 + 9870^2 .

It is not a de Polignac number, because 140306301 - 2³ = 140306293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140306303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23025 + ... + 28473.

It is an arithmetic number, because the mean of its divisors is an integer number (16897725).

Almost surely, 2^140306301 is an apocalyptic number.

It is an amenable number.

140306301 is a deficient number, since it is larger than the sum of its proper divisors (62466399).

140306301 is a wasteful number, since it uses less digits than its factorization.

140306301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316 (or 8313 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 140306301 is about 11845.0960739033. The cubic root of 140306301 is about 519.6278167650.

Adding to 140306301 its reverse (103603041), we get a palindrome (243909342).

The spelling of 140306301 in words is "one hundred forty million, three hundred six thousand, three hundred one".