1400143310329 has 2 divisors, whose sum is σ = 1400143310330. Its totient is φ = 1400143310328.

The previous prime is 1400143310303. The next prime is 1400143310359. The reversal of 1400143310329 is 9230133410041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1084357755625 + 315785554704 = 1041325^2 + 561948^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400143310329 - 2¹¹ = 1400143308281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400143310329.

It is not a weakly prime, because it can be changed into another prime (1400143310359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700071655164 + 700071655165.

It is an arithmetic number, because the mean of its divisors is an integer number (700071655165).

Almost surely, 2^{1400143310329} is an apocalyptic number.

It is an amenable number.

1400143310329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400143310329 is an equidigital number, since it uses as much as digits as its factorization.

1400143310329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 1400143310329 in words is "one trillion, four hundred billion, one hundred forty-three million, three hundred ten thousand, three hundred twenty-nine".