34638143 has 2 divisors, whose sum is σ = 34638144. Its totient is φ = 34638142.

The previous prime is 34638113. The next prime is 34638173. The reversal of 34638143 is 34183643.

34638143 is nontrivially palindromic in base 12.

It is a balanced prime because it is at equal distance from previous prime (34638113) and next prime (34638173).

It is a cyclic number.

It is not a de Polignac number, because 34638143 - 2¹⁶ = 34572607 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34638113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17319071 + 17319072.

It is an arithmetic number, because the mean of its divisors is an integer number (17319072).

Almost surely, 2^34638143 is an apocalyptic number.

34638143 is a deficient number, since it is larger than the sum of its proper divisors (1).

34638143 is an equidigital number, since it uses as much as digits as its factorization.

34638143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 32.

The square root of 34638143 is about 5885.4178271385. The cubic root of 34638143 is about 325.9754300426.

The spelling of 34638143 in words is "thirty-four million, six hundred thirty-eight thousand, one hundred forty-three".