1004133391 has 2 divisors, whose sum is σ = 1004133392. Its totient is φ = 1004133390.

The previous prime is 1004133349. The next prime is 1004133401. The reversal of 1004133391 is 1933314001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1004133391 - 2⁹ = 1004132879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004133311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502066695 + 502066696.

It is an arithmetic number, because the mean of its divisors is an integer number (502066696).

Almost surely, 2^1004133391 is an apocalyptic number.

1004133391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004133391 is an equidigital number, since it uses as much as digits as its factorization.

1004133391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1004133391 is about 31688.0638569162. The cubic root of 1004133391 is about 1001.3759030226.

Adding to 1004133391 its reverse (1933314001), we get a palindrome (2937447392).

The spelling of 1004133391 in words is "one billion, four million, one hundred thirty-three thousand, three hundred ninety-one".