1440131211287 has 2 divisors, whose sum is σ = 1440131211288. Its totient is φ = 1440131211286.

The previous prime is 1440131211193. The next prime is 1440131211301. The reversal of 1440131211287 is 7821121310441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1440131211287 - 2¹⁰ = 1440131210263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440131201287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720065605643 + 720065605644.

It is an arithmetic number, because the mean of its divisors is an integer number (720065605644).

Almost surely, 2^{1440131211287} is an apocalyptic number.

1440131211287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440131211287 is an equidigital number, since it uses as much as digits as its factorization.

1440131211287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 35.

The spelling of 1440131211287 in words is "one trillion, four hundred forty billion, one hundred thirty-one million, two hundred eleven thousand, two hundred eighty-seven".