136489459488 has 48 divisors (see below), whose sum is σ = 358331351616. Its totient is φ = 45490579200.

The previous prime is 136489459481. The next prime is 136489459489. The reversal of 136489459488 is 884954984631.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (136489459481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684813 + ... + 861363.

It is an arithmetic number, because the mean of its divisors is an integer number (7465236492).

Almost surely, 2^136489459488 is an apocalyptic number.

It is an amenable number.

136489459488 is an abundant number, since it is smaller than the sum of its proper divisors (221841892128).

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

136489459488 is a wasteful number, since it uses less digits than its factorization.

136489459488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184617 (or 184609 counting only the distinct ones).

The product of its digits is 238878720, while the sum is 69.

The spelling of 136489459488 in words is "one hundred thirty-six billion, four hundred eighty-nine million, four hundred fifty-nine thousand, four hundred eighty-eight".