329945137 has 2 divisors, whose sum is σ = 329945138. Its totient is φ = 329945136.

The previous prime is 329945113. The next prime is 329945167. The reversal of 329945137 is 731549923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320266816 + 9678321 = 17896^2 + 3111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-329945137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 329945093 and 329945102.

It is not a weakly prime, because it can be changed into another prime (329945107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164972568 + 164972569.

It is an arithmetic number, because the mean of its divisors is an integer number (164972569).

Almost surely, 2^329945137 is an apocalyptic number.

It is an amenable number.

329945137 is a deficient number, since it is larger than the sum of its proper divisors (1).

329945137 is an equidigital number, since it uses as much as digits as its factorization.

329945137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 43.

The square root of 329945137 is about 18164.3920074414. The cubic root of 329945137 is about 691.0040252676.

The spelling of 329945137 in words is "three hundred twenty-nine million, nine hundred forty-five thousand, one hundred thirty-seven".