20410140137 has 2 divisors, whose sum is σ = 20410140138. Its totient is φ = 20410140136.

The previous prime is 20410140097. The next prime is 20410140139. The reversal of 20410140137 is 73104101402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20292287401 + 117852736 = 142451^2 + 10856^2 .

It is a cyclic number.

It is not a de Polignac number, because 20410140137 - 2⁸ = 20410139881 is a prime.

Together with 20410140139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20410140139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205070068 + 10205070069.

It is an arithmetic number, because the mean of its divisors is an integer number (10205070069).

Almost surely, 2^20410140137 is an apocalyptic number.

It is an amenable number.

20410140137 is a deficient number, since it is larger than the sum of its proper divisors (1).

20410140137 is an equidigital number, since it uses as much as digits as its factorization.

20410140137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 20410140137 its reverse (73104101402), we get a palindrome (93514241539).

The spelling of 20410140137 in words is "twenty billion, four hundred ten million, one hundred forty thousand, one hundred thirty-seven".