140224244477 has 2 divisors, whose sum is σ = 140224244478. Its totient is φ = 140224244476.

The previous prime is 140224244389. The next prime is 140224244491. The reversal of 140224244477 is 774442422041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115114989796 + 25109254681 = 339286^2 + 158459^2 .

It is a cyclic number.

It is not a de Polignac number, because 140224244477 - 2³⁰ = 139150502653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140227244477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70112122238 + 70112122239.

It is an arithmetic number, because the mean of its divisors is an integer number (70112122239).

Almost surely, 2^140224244477 is an apocalyptic number.

It is an amenable number.

140224244477 is a deficient number, since it is larger than the sum of its proper divisors (1).

140224244477 is an equidigital number, since it uses as much as digits as its factorization.

140224244477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 401408, while the sum is 41.

The spelling of 140224244477 in words is "one hundred forty billion, two hundred twenty-four million, two hundred forty-four thousand, four hundred seventy-seven".