1108578139 has 2 divisors, whose sum is σ = 1108578140. Its totient is φ = 1108578138.

The previous prime is 1108578137. The next prime is 1108578151. The reversal of 1108578139 is 9318758011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1108578139 - 2¹ = 1108578137 is a prime.

Together with 1108578137, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1108578095 and 1108578104.

It is not a weakly prime, because it can be changed into another prime (1108578137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554289069 + 554289070.

It is an arithmetic number, because the mean of its divisors is an integer number (554289070).

Almost surely, 2^1108578139 is an apocalyptic number.

1108578139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108578139 is an equidigital number, since it uses as much as digits as its factorization.

1108578139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 43.

The square root of 1108578139 is about 33295.3170731261. The cubic root of 1108578139 is about 1034.9565164894.

The spelling of 1108578139 in words is "one billion, one hundred eight million, five hundred seventy-eight thousand, one hundred thirty-nine".