135856626658532 has 48 divisors (see below), whose sum is σ = 256401556654320. Its totient is φ = 62613927770112.

The previous prime is 135856626658507. The next prime is 135856626658553. The reversal of 135856626658532 is 235856626658531.

It can be written as a sum of positive squares in 8 ways, for example, as 444956836 + 135856181701696 = 21094^2 + 11655736^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228426728 + ... + 229020704.

It is an arithmetic number, because the mean of its divisors is an integer number (5341699096965).

Almost surely, 2^{135856626658532} is an apocalyptic number.

It is an amenable number.

135856626658532 is a deficient number, since it is larger than the sum of its proper divisors (120544929995788).

135856626658532 is a wasteful number, since it uses less digits than its factorization.

135856626658532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600240 (or 600238 counting only the distinct ones).

The product of its digits is 1866240000, while the sum is 71.

Subtracting 135856626658532 from its reverse (235856626658531), we obtain a palindrome (99999999999999).

The spelling of 135856626658532 in words is "one hundred thirty-five trillion, eight hundred fifty-six billion, six hundred twenty-six million, six hundred fifty-eight thousand, five hundred thirty-two".