140440452277 has 2 divisors, whose sum is σ = 140440452278. Its totient is φ = 140440452276.

The previous prime is 140440452233. The next prime is 140440452323. The reversal of 140440452277 is 772254044041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105829198596 + 34611253681 = 325314^2 + 186041^2 .

It is a cyclic number.

It is not a de Polignac number, because 140440452277 - 2¹¹ = 140440450229 is a prime.

It is a super-3 number, since 3×140440452277³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140440459277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70220226138 + 70220226139.

It is an arithmetic number, because the mean of its divisors is an integer number (70220226139).

Almost surely, 2^140440452277 is an apocalyptic number.

It is an amenable number.

140440452277 is a deficient number, since it is larger than the sum of its proper divisors (1).

140440452277 is an equidigital number, since it uses as much as digits as its factorization.

140440452277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250880, while the sum is 40.

The spelling of 140440452277 in words is "one hundred forty billion, four hundred forty million, four hundred fifty-two thousand, two hundred seventy-seven".