143836675771381 has 2 divisors, whose sum is σ = 143836675771382. Its totient is φ = 143836675771380.

The previous prime is 143836675771367. The next prime is 143836675771489. The reversal of 143836675771381 is 183177576638341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94066896018481 + 49769779752900 = 9698809^2 + 7054770^2 .

It is an emirp because it is prime and its reverse (183177576638341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143836675771381 - 2⁷ = 143836675771253 is a prime.

It is a super-2 number, since 2×143836675771381² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143836675771381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143836675771781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71918337885690 + 71918337885691.

It is an arithmetic number, because the mean of its divisors is an integer number (71918337885691).

Almost surely, 2^{143836675771381} is an apocalyptic number.

It is an amenable number.

143836675771381 is a deficient number, since it is larger than the sum of its proper divisors (1).

143836675771381 is an equidigital number, since it uses as much as digits as its factorization.

143836675771381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 426746880, while the sum is 70.

The spelling of 143836675771381 in words is "one hundred forty-three trillion, eight hundred thirty-six billion, six hundred seventy-five million, seven hundred seventy-one thousand, three hundred eighty-one".