140114549 has 2 divisors, whose sum is σ = 140114550. Its totient is φ = 140114548.

The previous prime is 140114537. The next prime is 140114581. The reversal of 140114549 is 945411041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139948900 + 165649 = 11830^2 + 407^2 .

It is an emirp because it is prime and its reverse (945411041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140114549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140114509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70057274 + 70057275.

It is an arithmetic number, because the mean of its divisors is an integer number (70057275).

Almost surely, 2^140114549 is an apocalyptic number.

It is an amenable number.

140114549 is a deficient number, since it is larger than the sum of its proper divisors (1).

140114549 is an equidigital number, since it uses as much as digits as its factorization.

140114549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 140114549 is about 11836.9991551913. Note that the first 3 decimals coincide. The cubic root of 140114549 is about 519.3909894372.

The spelling of 140114549 in words is "one hundred forty million, one hundred fourteen thousand, five hundred forty-nine".