140302141 has 6 divisors (see below), whose sum is σ = 163208670. Its totient is φ = 120258936.

The previous prime is 140302109. The next prime is 140302147. The reversal of 140302141 is 141203041.

It can be written as a sum of positive squares in only one way, i.e., 70913241 + 69388900 = 8421^2 + 8330^2 .

It is not a de Polignac number, because 140302141 - 2⁵ = 140302109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140302147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1431606 + ... + 1431703.

It is an arithmetic number, because the mean of its divisors is an integer number (27201445).

Almost surely, 2^140302141 is an apocalyptic number.

It is an amenable number.

140302141 is a deficient number, since it is larger than the sum of its proper divisors (22906529).

140302141 is an equidigital number, since it uses as much as digits as its factorization.

140302141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863323 (or 2863316 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 140302141 is about 11844.9204725063. The cubic root of 140302141 is about 519.6226811604.

Adding to 140302141 its reverse (141203041), we get a palindrome (281505182).

The spelling of 140302141 in words is "one hundred forty million, three hundred two thousand, one hundred forty-one".