405314109 has 12 divisors (see below), whose sum is σ = 587028156. Its totient is φ = 269482752.

The previous prime is 405314093. The next prime is 405314113. The reversal of 405314109 is 901413504.

It can be written as a sum of positive squares in 2 ways, for example, as 307897209 + 97416900 = 17547^2 + 9870^2 .

It is not a de Polignac number, because 405314109 - 2⁴ = 405314093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405314009) 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 in 11 ways as a sum of consecutive naturals, for example, 57012 + ... + 63725.

It is an arithmetic number, because the mean of its divisors is an integer number (48919013).

Almost surely, 2^405314109 is an apocalyptic number.

It is an amenable number.

405314109 is a deficient number, since it is larger than the sum of its proper divisors (181714047).

405314109 is a wasteful number, since it uses less digits than its factorization.

405314109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121116 (or 121113 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 405314109 is about 20132.4143857611. The cubic root of 405314109 is about 740.0548467992.

The spelling of 405314109 in words is "four hundred five million, three hundred fourteen thousand, one hundred nine".