403140109 has 2 divisors, whose sum is σ = 403140110. Its totient is φ = 403140108.

The previous prime is 403140083. The next prime is 403140121. The reversal of 403140109 is 901041304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324108009 + 79032100 = 18003^2 + 8890^2 .

It is a cyclic number.

It is not a de Polignac number, because 403140109 - 2⁵ = 403140077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 403140109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403140149) 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, 201570054 + 201570055.

It is an arithmetic number, because the mean of its divisors is an integer number (201570055).

Almost surely, 2^403140109 is an apocalyptic number.

It is an amenable number.

403140109 is a deficient number, since it is larger than the sum of its proper divisors (1).

403140109 is an equidigital number, since it uses as much as digits as its factorization.

403140109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 403140109 is about 20078.3492598371. The cubic root of 403140109 is about 738.7293198059.

The spelling of 403140109 in words is "four hundred three million, one hundred forty thousand, one hundred nine".