82063140 has 48 divisors (see below), whose sum is σ = 235388160. Its totient is φ = 21349120.

The previous prime is 82063139. The next prime is 82063153. The reversal of 82063140 is 4136028.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 82063140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14220 + ... + 19139.

It is an arithmetic number, because the mean of its divisors is an integer number (4903920).

Almost surely, 2^82063140 is an apocalyptic number.

It is an amenable number.

82063140 is an abundant number, since it is smaller than the sum of its proper divisors (153325020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82063140 is a wasteful number, since it uses less digits than its factorization.

82063140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33412 (or 33410 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 82063140 is about 9058.8707905566. The cubic root of 82063140 is about 434.5596283268.

Adding to 82063140 its reverse (4136028), we get a palindrome (86199168).

The spelling of 82063140 in words is "eighty-two million, sixty-three thousand, one hundred forty".