340120144393 has 2 divisors, whose sum is σ = 340120144394. Its totient is φ = 340120144392.

The previous prime is 340120144379. The next prime is 340120144451. The reversal of 340120144393 is 393441021043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275154800704 + 64965343689 = 524552^2 + 254883^2 .

It is a cyclic number.

It is not a de Polignac number, because 340120144393 - 2⁵ = 340120144361 is a prime.

It is not a weakly prime, because it can be changed into another prime (340120144333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170060072196 + 170060072197.

It is an arithmetic number, because the mean of its divisors is an integer number (170060072197).

Almost surely, 2^340120144393 is an apocalyptic number.

It is an amenable number.

340120144393 is a deficient number, since it is larger than the sum of its proper divisors (1).

340120144393 is an equidigital number, since it uses as much as digits as its factorization.

340120144393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 340120144393 in words is "three hundred forty billion, one hundred twenty million, one hundred forty-four thousand, three hundred ninety-three".