1794760139 has 2 divisors, whose sum is σ = 1794760140. Its totient is φ = 1794760138.

The previous prime is 1794760109. The next prime is 1794760141. The reversal of 1794760139 is 9310674971.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1794760139 - 2¹² = 1794756043 is a prime.

It is a Sophie Germain prime.

Together with 1794760141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1794760093 and 1794760102.

It is not a weakly prime, because it can be changed into another prime (1794760109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 897380069 + 897380070.

It is an arithmetic number, because the mean of its divisors is an integer number (897380070).

Almost surely, 2^1794760139 is an apocalyptic number.

1794760139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1794760139 is an equidigital number, since it uses as much as digits as its factorization.

1794760139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 1794760139 is about 42364.6095107697. The cubic root of 1794760139 is about 1215.2588854880.

The spelling of 1794760139 in words is "one billion, seven hundred ninety-four million, seven hundred sixty thousand, one hundred thirty-nine".