356318109 has 20 divisors (see below), whose sum is σ = 608318304. Its totient is φ = 203610024.

The previous prime is 356318069. The next prime is 356318159. The reversal of 356318109 is 901813653.

It is a happy number.

356318109 is a `hidden beast` number, since 3 + 5 + 631 + 8 + 10 + 9 = 666.

It is not a de Polignac number, because 356318109 - 2²⁰ = 355269533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356318159) 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 in 19 ways as a sum of consecutive naturals, for example, 313647 + ... + 314780.

Almost surely, 2^356318109 is an apocalyptic number.

It is an amenable number.

356318109 is a deficient number, since it is larger than the sum of its proper divisors (252000195).

356318109 is an equidigital number, since it uses as much as digits as its factorization.

356318109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628446 (or 628437 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 356318109 is about 18876.3902534356. The cubic root of 356318109 is about 708.9451432084.

The spelling of 356318109 in words is "three hundred fifty-six million, three hundred eighteen thousand, one hundred nine".