402144333141 has 4 divisors (see below), whose sum is σ = 536192444192. Its totient is φ = 268096222092.

The previous prime is 402144333091. The next prime is 402144333181. The reversal of 402144333141 is 141333441204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 402144333141 - 2⁶ = 402144333077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402144333099 and 402144333108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402144333181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67024055521 + ... + 67024055526.

It is an arithmetic number, because the mean of its divisors is an integer number (134048111048).

Almost surely, 2^402144333141 is an apocalyptic number.

It is an amenable number.

402144333141 is a deficient number, since it is larger than the sum of its proper divisors (134048111051).

402144333141 is a wasteful number, since it uses less digits than its factorization.

402144333141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134048111050.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 402144333141 its reverse (141333441204), we get a palindrome (543477774345).

The spelling of 402144333141 in words is "four hundred two billion, one hundred forty-four million, three hundred thirty-three thousand, one hundred forty-one".