1112545139 has 2 divisors, whose sum is σ = 1112545140. Its totient is φ = 1112545138.

The previous prime is 1112545129. The next prime is 1112545153. The reversal of 1112545139 is 9315452111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112545139 - 2¹⁶ = 1112479603 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112545129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556272569 + 556272570.

It is an arithmetic number, because the mean of its divisors is an integer number (556272570).

Almost surely, 2^1112545139 is an apocalyptic number.

1112545139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112545139 is an equidigital number, since it uses as much as digits as its factorization.

1112545139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 32.

The square root of 1112545139 is about 33354.8368156704. The cubic root of 1112545139 is about 1036.1895629010.

The spelling of 1112545139 in words is "one billion, one hundred twelve million, five hundred forty-five thousand, one hundred thirty-nine".