1401330143 has 2 divisors, whose sum is σ = 1401330144. Its totient is φ = 1401330142.

The previous prime is 1401330127. The next prime is 1401330149. The reversal of 1401330143 is 3410331041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1401330143 - 2⁴ = 1401330127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401330149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700665071 + 700665072.

It is an arithmetic number, because the mean of its divisors is an integer number (700665072).

Almost surely, 2^1401330143 is an apocalyptic number.

1401330143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401330143 is an equidigital number, since it uses as much as digits as its factorization.

1401330143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1401330143 is about 37434.3444312840. The cubic root of 1401330143 is about 1119.0431195238.

Adding to 1401330143 its reverse (3410331041), we get a palindrome (4811661184).

It can be divided in two parts, 1401330 and 143, that multiplied together give a triangular number (200390190 = T₂₀₀₁₉).

The spelling of 1401330143 in words is "one billion, four hundred one million, three hundred thirty thousand, one hundred forty-three".