136521095688 has 48 divisors (see below), whose sum is σ = 370027784880. Its totient is φ = 45472182624.

The previous prime is 136521095671. The next prime is 136521095719. The reversal of 136521095688 is 886590125631.

136521095688 is a `hidden beast` number, since 1 + 3 + 65 + 2 + 10 + 9 + 568 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 631270 + ... + 819477.

It is an arithmetic number, because the mean of its divisors is an integer number (7708912185).

Almost surely, 2^136521095688 is an apocalyptic number.

136521095688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

136521095688 is an abundant number, since it is smaller than the sum of its proper divisors (233506689192).

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

136521095688 is a wasteful number, since it uses less digits than its factorization.

136521095688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452066 (or 1452059 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 136521095688 in words is "one hundred thirty-six billion, five hundred twenty-one million, ninety-five thousand, six hundred eighty-eight".