1143719141 has 2 divisors, whose sum is σ = 1143719142. Its totient is φ = 1143719140.

The previous prime is 1143719113. The next prime is 1143719147. The reversal of 1143719141 is 1419173411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1018950241 + 124768900 = 31921^2 + 11170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143719141 - 2⁶ = 1143719077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143719098 and 1143719107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143719147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571859570 + 571859571.

It is an arithmetic number, because the mean of its divisors is an integer number (571859571).

Almost surely, 2^1143719141 is an apocalyptic number.

It is an amenable number.

1143719141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143719141 is an equidigital number, since it uses as much as digits as its factorization.

1143719141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 32.

The square root of 1143719141 is about 33818.9169105103. The cubic root of 1143719141 is about 1045.7787106505.

The spelling of 1143719141 in words is "one billion, one hundred forty-three million, seven hundred nineteen thousand, one hundred forty-one".