1100320139 has 2 divisors, whose sum is σ = 1100320140. Its totient is φ = 1100320138.

The previous prime is 1100320129. The next prime is 1100320141. The reversal of 1100320139 is 9310230011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100320139 is a prime.

Together with 1100320141, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100320139.

It is not a weakly prime, because it can be changed into another prime (1100320129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550160069 + 550160070.

It is an arithmetic number, because the mean of its divisors is an integer number (550160070).

Almost surely, 2^1100320139 is an apocalyptic number.

1100320139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100320139 is an equidigital number, since it uses as much as digits as its factorization.

1100320139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1100320139 is about 33171.0738294677. The cubic root of 1100320139 is about 1032.3802491137.

The spelling of 1100320139 in words is "one billion, one hundred million, three hundred twenty thousand, one hundred thirty-nine".