1794924139 has 2 divisors, whose sum is σ = 1794924140. Its totient is φ = 1794924138.

The previous prime is 1794924133. The next prime is 1794924193. The reversal of 1794924139 is 9314294971.

Together with next prime (1794924193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1794924139 - 2⁷ = 1794924011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1794924092 and 1794924101.

It is not a weakly prime, because it can be changed into another prime (1794924133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 897462069 + 897462070.

It is an arithmetic number, because the mean of its divisors is an integer number (897462070).

Almost surely, 2^1794924139 is an apocalyptic number.

1794924139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1794924139 is an equidigital number, since it uses as much as digits as its factorization.

1794924139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The square root of 1794924139 is about 42366.5450444097. The cubic root of 1794924139 is about 1215.2958999768.

The spelling of 1794924139 in words is "one billion, seven hundred ninety-four million, nine hundred twenty-four thousand, one hundred thirty-nine".