140732771 has 2 divisors, whose sum is σ = 140732772. Its totient is φ = 140732770.

The previous prime is 140732747. The next prime is 140732797. The reversal of 140732771 is 177237041.

It is a weak prime.

It is an emirp because it is prime and its reverse (177237041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140732771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140732731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70366385 + 70366386.

It is an arithmetic number, because the mean of its divisors is an integer number (70366386).

Almost surely, 2^140732771 is an apocalyptic number.

140732771 is a deficient number, since it is larger than the sum of its proper divisors (1).

140732771 is an equidigital number, since it uses as much as digits as its factorization.

140732771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 140732771 is about 11863.0843797050. The cubic root of 140732771 is about 520.1537649313.

The spelling of 140732771 in words is "one hundred forty million, seven hundred thirty-two thousand, seven hundred seventy-one".