408361140137 has 2 divisors, whose sum is σ = 408361140138. Its totient is φ = 408361140136.

The previous prime is 408361140091. The next prime is 408361140139. The reversal of 408361140137 is 731041163804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407881486336 + 479653801 = 638656^2 + 21901^2 .

It is a cyclic number.

It is not a de Polignac number, because 408361140137 - 2²⁶ = 408294031273 is a prime.

Together with 408361140139, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 408361140137.

It is not a weakly prime, because it can be changed into another prime (408361140139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204180570068 + 204180570069.

It is an arithmetic number, because the mean of its divisors is an integer number (204180570069).

Almost surely, 2^408361140137 is an apocalyptic number.

It is an amenable number.

408361140137 is a deficient number, since it is larger than the sum of its proper divisors (1).

408361140137 is an equidigital number, since it uses as much as digits as its factorization.

408361140137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 408361140137 in words is "four hundred eight billion, three hundred sixty-one million, one hundred forty thousand, one hundred thirty-seven".