403134091 has 2 divisors, whose sum is σ = 403134092. Its totient is φ = 403134090.

The previous prime is 403134089. The next prime is 403134097. The reversal of 403134091 is 190431304.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 403134091 - 2¹ = 403134089 is a prime.

Together with 403134089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (403134097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201567045 + 201567046.

It is an arithmetic number, because the mean of its divisors is an integer number (201567046).

Almost surely, 2^403134091 is an apocalyptic number.

403134091 is a deficient number, since it is larger than the sum of its proper divisors (1).

403134091 is an equidigital number, since it uses as much as digits as its factorization.

403134091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 403134091 is about 20078.1993963602. The cubic root of 403134091 is about 738.7256439167.

Adding to 403134091 its reverse (190431304), we get a palindrome (593565395).

The spelling of 403134091 in words is "four hundred three million, one hundred thirty-four thousand, ninety-one".