1111440139 has 2 divisors, whose sum is σ = 1111440140. Its totient is φ = 1111440138.

The previous prime is 1111440133. The next prime is 1111440149. The reversal of 1111440139 is 9310441111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111440139 - 2⁵ = 1111440107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111440133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555720069 + 555720070.

It is an arithmetic number, because the mean of its divisors is an integer number (555720070).

Almost surely, 2^1111440139 is an apocalyptic number.

1111440139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111440139 is an equidigital number, since it uses as much as digits as its factorization.

1111440139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1111440139 is about 33338.2683863454. The cubic root of 1111440139 is about 1035.8463951765.

The spelling of 1111440139 in words is "one billion, one hundred eleven million, four hundred forty thousand, one hundred thirty-nine".