1443201139 has 2 divisors, whose sum is σ = 1443201140. Its totient is φ = 1443201138.

The previous prime is 1443201101. The next prime is 1443201143. The reversal of 1443201139 is 9311023441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1443201139 - 2¹¹ = 1443199091 is a prime.

It is a super-2 number, since 2×1443201139² = 4165659055221794642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1443201439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721600569 + 721600570.

It is an arithmetic number, because the mean of its divisors is an integer number (721600570).

Almost surely, 2^1443201139 is an apocalyptic number.

1443201139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443201139 is an equidigital number, since it uses as much as digits as its factorization.

1443201139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1443201139 is about 37989.4872168604. The cubic root of 1443201139 is about 1130.0793895720.

The spelling of 1443201139 in words is "one billion, four hundred forty-three million, two hundred one thousand, one hundred thirty-nine".