140548117 has 2 divisors, whose sum is σ = 140548118. Its totient is φ = 140548116.

The previous prime is 140548099. The next prime is 140548139. The reversal of 140548117 is 711845041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139216401 + 1331716 = 11799^2 + 1154^2 .

It is an emirp because it is prime and its reverse (711845041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140548117 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 (140548517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70274058 + 70274059.

It is an arithmetic number, because the mean of its divisors is an integer number (70274059).

Almost surely, 2^140548117 is an apocalyptic number.

It is an amenable number.

140548117 is a deficient number, since it is larger than the sum of its proper divisors (1).

140548117 is an equidigital number, since it uses as much as digits as its factorization.

140548117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 140548117 is about 11855.2991105244. The cubic root of 140548117 is about 519.9261692516.

The spelling of 140548117 in words is "one hundred forty million, five hundred forty-eight thousand, one hundred seventeen".