34645139 has 2 divisors, whose sum is σ = 34645140. Its totient is φ = 34645138.

The previous prime is 34645129. The next prime is 34645207. The reversal of 34645139 is 93154643.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34645139 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 34645099 and 34645108.

It is not a weakly prime, because it can be changed into another prime (34645129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17322569 + 17322570.

It is an arithmetic number, because the mean of its divisors is an integer number (17322570).

Almost surely, 2^34645139 is an apocalyptic number.

34645139 is a deficient number, since it is larger than the sum of its proper divisors (1).

34645139 is an equidigital number, since it uses as much as digits as its factorization.

34645139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 34645139 is about 5886.0121474560. The cubic root of 34645139 is about 325.9973747389.

The spelling of 34645139 in words is "thirty-four million, six hundred forty-five thousand, one hundred thirty-nine".