136561484580 has 96 divisors (see below), whose sum is σ = 394798924800. Its totient is φ = 35233443840.

The previous prime is 136561484533. The next prime is 136561484581. The reversal of 136561484580 is 85484165631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (136561484581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15427996 + ... + 15436844.

It is an arithmetic number, because the mean of its divisors is an integer number (4112488800).

Almost surely, 2^136561484580 is an apocalyptic number.

136561484580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136561484580 is an abundant number, since it is smaller than the sum of its proper divisors (258237440220).

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

136561484580 is a wasteful number, since it uses less digits than its factorization.

136561484580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17189 (or 17187 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 136561484580 in words is "one hundred thirty-six billion, five hundred sixty-one million, four hundred eighty-four thousand, five hundred eighty".