140268011549 has 2 divisors, whose sum is σ = 140268011550. Its totient is φ = 140268011548.

The previous prime is 140268011503. The next prime is 140268011557. The reversal of 140268011549 is 945110862041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105467109049 + 34800902500 = 324757^2 + 186550^2 .

It is a cyclic number.

It is not a de Polignac number, because 140268011549 - 2³² = 135973044253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140268013549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70134005774 + 70134005775.

It is an arithmetic number, because the mean of its divisors is an integer number (70134005775).

Almost surely, 2^140268011549 is an apocalyptic number.

It is an amenable number.

140268011549 is a deficient number, since it is larger than the sum of its proper divisors (1).

140268011549 is an equidigital number, since it uses as much as digits as its factorization.

140268011549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 140268011549 in words is "one hundred forty billion, two hundred sixty-eight million, eleven thousand, five hundred forty-nine".