136561124 has 12 divisors (see below), whose sum is σ = 273122304. Its totient is φ = 58526184.

The previous prime is 136561123. The next prime is 136561133. The reversal of 136561124 is 421165631.

It is a happy number.

136561124 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

136561124 is an admirable number.

136561124 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (136561121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2438564 + ... + 2438619.

It is an arithmetic number, because the mean of its divisors is an integer number (22760192).

Almost surely, 2^136561124 is an apocalyptic number.

136561124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

136561124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

136561124 is a wasteful number, since it uses less digits than its factorization.

136561124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4877194 (or 4877192 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 136561124 is about 11685.9370184851. The cubic root of 136561124 is about 514.9626063904.

The spelling of 136561124 in words is "one hundred thirty-six million, five hundred sixty-one thousand, one hundred twenty-four".