82134459 has 32 divisors (see below), whose sum is σ = 134158080. Its totient is φ = 49248000.

The previous prime is 82134421. The next prime is 82134461. The reversal of 82134459 is 95443128.

It is not a de Polignac number, because 82134459 - 2⁷ = 82134331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82134419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27384 + ... + 30234.

It is an arithmetic number, because the mean of its divisors is an integer number (4192440).

Almost surely, 2^82134459 is an apocalyptic number.

82134459 is a deficient number, since it is larger than the sum of its proper divisors (52023621).

82134459 is a wasteful number, since it uses less digits than its factorization.

82134459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968 (or 2962 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 82134459 is about 9062.8063534426. The cubic root of 82134459 is about 434.6854801373.

The spelling of 82134459 in words is "eighty-two million, one hundred thirty-four thousand, four hundred fifty-nine".