82136510 has 16 divisors (see below), whose sum is σ = 147949200. Its totient is φ = 32831616.

The previous prime is 82136471. The next prime is 82136513. The reversal of 82136510 is 1563128.

It is a self number, because there is not a number n which added to its sum of digits gives 82136510.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82136513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25046 + ... + 28134.

It is an arithmetic number, because the mean of its divisors is an integer number (9246825).

Almost surely, 2^82136510 is an apocalyptic number.

82136510 is a deficient number, since it is larger than the sum of its proper divisors (65812690).

82136510 is a wasteful number, since it uses less digits than its factorization.

82136510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 82136510 is about 9062.9195075318. The cubic root of 82136510 is about 434.6890983202.

Adding to 82136510 its reverse (1563128), we get a palindrome (83699638).

The spelling of 82136510 in words is "eighty-two million, one hundred thirty-six thousand, five hundred ten".