140631301 has 2 divisors, whose sum is σ = 140631302. Its totient is φ = 140631300.

The previous prime is 140631287. The next prime is 140631311. The reversal of 140631301 is 103136041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94595076 + 46036225 = 9726^2 + 6785^2 .

It is a cyclic number.

It is not a de Polignac number, because 140631301 - 2¹⁵ = 140598533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140631311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70315650 + 70315651.

It is an arithmetic number, because the mean of its divisors is an integer number (70315651).

Almost surely, 2^140631301 is an apocalyptic number.

It is an amenable number.

140631301 is a deficient number, since it is larger than the sum of its proper divisors (1).

140631301 is an equidigital number, since it uses as much as digits as its factorization.

140631301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 140631301 is about 11858.8068961426. The cubic root of 140631301 is about 520.0287225259.

Adding to 140631301 its reverse (103136041), we get a palindrome (243767342).

The spelling of 140631301 in words is "one hundred forty million, six hundred thirty-one thousand, three hundred one".