1814091133 has 2 divisors, whose sum is σ = 1814091134. Its totient is φ = 1814091132.

The previous prime is 1814091067. The next prime is 1814091137. The reversal of 1814091133 is 3311904181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1169845209 + 644245924 = 34203^2 + 25382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1814091133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1814091095 and 1814091104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1814091137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 907045566 + 907045567.

It is an arithmetic number, because the mean of its divisors is an integer number (907045567).

Almost surely, 2^1814091133 is an apocalyptic number.

It is an amenable number.

1814091133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1814091133 is an equidigital number, since it uses as much as digits as its factorization.

1814091133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1814091133 is about 42592.1487248530. The cubic root of 1814091133 is about 1219.6064154113.

The spelling of 1814091133 in words is "one billion, eight hundred fourteen million, ninety-one thousand, one hundred thirty-three".