140003137 has 2 divisors, whose sum is σ = 140003138. Its totient is φ = 140003136.

The previous prime is 140003081. The next prime is 140003147. The reversal of 140003137 is 731300041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106316721 + 33686416 = 10311^2 + 5804^2 .

It is an emirp because it is prime and its reverse (731300041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140003137 - 2¹¹ = 140001089 is a prime.

It is not a weakly prime, because it can be changed into another prime (140003147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70001568 + 70001569.

It is an arithmetic number, because the mean of its divisors is an integer number (70001569).

Almost surely, 2^140003137 is an apocalyptic number.

It is an amenable number.

140003137 is a deficient number, since it is larger than the sum of its proper divisors (1).

140003137 is an equidigital number, since it uses as much as digits as its factorization.

140003137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 140003137 is about 11832.2921279015. The cubic root of 140003137 is about 519.2532884547.

Adding to 140003137 its reverse (731300041), we get a palindrome (871303178).

The spelling of 140003137 in words is "one hundred forty million, three thousand, one hundred thirty-seven".