140227244477 has 2 divisors, whose sum is σ = 140227244478. Its totient is φ = 140227244476.

The previous prime is 140227244441. The next prime is 140227244527. The reversal of 140227244477 is 774442722041.

140227244477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102464650201 + 37762594276 = 320101^2 + 194326^2 .

It is a cyclic number.

It is not a de Polignac number, because 140227244477 - 2¹² = 140227240381 is a prime.

It is a super-2 number, since 2×140227244477² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140227244777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70113622238 + 70113622239.

It is an arithmetic number, because the mean of its divisors is an integer number (70113622239).

Almost surely, 2^140227244477 is an apocalyptic number.

It is an amenable number.

140227244477 is a deficient number, since it is larger than the sum of its proper divisors (1).

140227244477 is an equidigital number, since it uses as much as digits as its factorization.

140227244477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 702464, while the sum is 44.

The spelling of 140227244477 in words is "one hundred forty billion, two hundred twenty-seven million, two hundred forty-four thousand, four hundred seventy-seven".