401133143 has 2 divisors, whose sum is σ = 401133144. Its totient is φ = 401133142.

The previous prime is 401133137. The next prime is 401133193. The reversal of 401133143 is 341331104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401133143 - 2⁸ = 401132887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401133193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200566571 + 200566572.

It is an arithmetic number, because the mean of its divisors is an integer number (200566572).

Almost surely, 2^401133143 is an apocalyptic number.

401133143 is a deficient number, since it is larger than the sum of its proper divisors (1).

401133143 is an equidigital number, since it uses as much as digits as its factorization.

401133143 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 401133143 is about 20028.3085406631. The cubic root of 401133143 is about 737.5013995186.

Adding to 401133143 its reverse (341331104), we get a palindrome (742464247).

The spelling of 401133143 in words is "four hundred one million, one hundred thirty-three thousand, one hundred forty-three".