140435456393 has 2 divisors, whose sum is σ = 140435456394. Its totient is φ = 140435456392.

The previous prime is 140435456377. The next prime is 140435456411. The reversal of 140435456393 is 393654534041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81080854009 + 59354602384 = 284747^2 + 243628^2 .

It is a cyclic number.

It is not a de Polignac number, because 140435456393 - 2⁴ = 140435456377 is a prime.

It is not a weakly prime, because it can be changed into another prime (140435458393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70217728196 + 70217728197.

It is an arithmetic number, because the mean of its divisors is an integer number (70217728197).

Almost surely, 2^140435456393 is an apocalyptic number.

It is an amenable number.

140435456393 is a deficient number, since it is larger than the sum of its proper divisors (1).

140435456393 is an equidigital number, since it uses as much as digits as its factorization.

140435456393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 140435456393 in words is "one hundred forty billion, four hundred thirty-five million, four hundred fifty-six thousand, three hundred ninety-three".