135856626658530 has 32 divisors (see below), whose sum is σ = 327711010106304. Its totient is φ = 36044533094976.

The previous prime is 135856626658507. The next prime is 135856626658553. The reversal of 135856626658530 is 35856626658531.

It is an interprime number because it is at equal distance from previous prime (135856626658507) and next prime (135856626658553).

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, 11493786532 + ... + 11493798351.

It is an arithmetic number, because the mean of its divisors is an integer number (10240969065822).

Almost surely, 2^{135856626658530} is an apocalyptic number.

135856626658530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135856626658530 is an abundant number, since it is smaller than the sum of its proper divisors (191854383447774).

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

135856626658530 is a wasteful number, since it uses less digits than its factorization.

135856626658530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22987585090.

The product of its (nonzero) digits is 933120000, while the sum is 69.

Subtracting from 135856626658530 its reverse (35856626658531), we obtain a palindrome (99999999999999).

The spelling of 135856626658530 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".