82135266253127 has 4 divisors (see below), whose sum is σ = 82135550893656. Its totient is φ = 82134981612600.

The previous prime is 82135266253099. The next prime is 82135266253171. The reversal of 82135266253127 is 72135266253128.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82135266253127 - 2⁶ = 82135266253063 is a prime.

It is a super-3 number, since 3×82135266253127³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82135266259127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141886988 + ... + 142464689.

It is an arithmetic number, because the mean of its divisors is an integer number (20533887723414).

Almost surely, 2^{82135266253127} is an apocalyptic number.

82135266253127 is a deficient number, since it is larger than the sum of its proper divisors (284640529).

82135266253127 is a wasteful number, since it uses less digits than its factorization.

82135266253127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284640528.

The product of its digits is 7257600, while the sum is 53.

Subtracting from 82135266253127 its reverse (72135266253128), we obtain a palindrome (9999999999999).

The spelling of 82135266253127 in words is "eighty-two trillion, one hundred thirty-five billion, two hundred sixty-six million, two hundred fifty-three thousand, one hundred twenty-seven".