83134993 has 2 divisors, whose sum is σ = 83134994. Its totient is φ = 83134992.

The previous prime is 83134979. The next prime is 83135011. The reversal of 83134993 is 39943138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78712384 + 4422609 = 8872^2 + 2103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83134993 is a prime.

It is a super-2 number, since 2×83134993² = 13822854122220098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83134973) 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, 41567496 + 41567497.

It is an arithmetic number, because the mean of its divisors is an integer number (41567497).

Almost surely, 2^83134993 is an apocalyptic number.

It is an amenable number.

83134993 is a deficient number, since it is larger than the sum of its proper divisors (1).

83134993 is an equidigital number, since it uses as much as digits as its factorization.

83134993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 83134993 is about 9117.8392725470. The cubic root of 83134993 is about 436.4434245974.

The spelling of 83134993 in words is "eighty-three million, one hundred thirty-four thousand, nine hundred ninety-three".