402144432133 has 2 divisors, whose sum is σ = 402144432134. Its totient is φ = 402144432132.

The previous prime is 402144432089. The next prime is 402144432149. The reversal of 402144432133 is 331234441204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402110710884 + 33721249 = 634122^2 + 5807^2 .

It is a cyclic number.

It is not a de Polignac number, because 402144432133 - 2⁹ = 402144431621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402144432095 and 402144432104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402144438133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201072216066 + 201072216067.

It is an arithmetic number, because the mean of its divisors is an integer number (201072216067).

Almost surely, 2^402144432133 is an apocalyptic number.

It is an amenable number.

402144432133 is a deficient number, since it is larger than the sum of its proper divisors (1).

402144432133 is an equidigital number, since it uses as much as digits as its factorization.

402144432133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 402144432133 its reverse (331234441204), we get a palindrome (733378873337).

The spelling of 402144432133 in words is "four hundred two billion, one hundred forty-four million, four hundred thirty-two thousand, one hundred thirty-three".