140769213049 has 2 divisors, whose sum is σ = 140769213050. Its totient is φ = 140769213048.

The previous prime is 140769213023. The next prime is 140769213061. The reversal of 140769213049 is 940312967041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113051957824 + 27717255225 = 336232^2 + 166485^2 .

It is a cyclic number.

It is not a de Polignac number, because 140769213049 - 2¹¹ = 140769211001 is a prime.

It is not a weakly prime, because it can be changed into another prime (140769213349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70384606524 + 70384606525.

It is an arithmetic number, because the mean of its divisors is an integer number (70384606525).

Almost surely, 2^140769213049 is an apocalyptic number.

It is an amenable number.

140769213049 is a deficient number, since it is larger than the sum of its proper divisors (1).

140769213049 is an equidigital number, since it uses as much as digits as its factorization.

140769213049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 140769213049 in words is "one hundred forty billion, seven hundred sixty-nine million, two hundred thirteen thousand, forty-nine".