136872471144 has 128 divisors (see below), whose sum is σ = 365929850880. Its totient is φ = 42512870400.

The previous prime is 136872471121. The next prime is 136872471173. The reversal of 136872471144 is 441174278631.

It is a happy number.

136872471144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×136872471144² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136872471093 and 136872471102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24743659 + ... + 24749189.

It is an arithmetic number, because the mean of its divisors is an integer number (2858826960).

Almost surely, 2^136872471144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136872471144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182964925440).

136872471144 is an abundant number, since it is smaller than the sum of its proper divisors (229057379736).

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

136872471144 is a wasteful number, since it uses less digits than its factorization.

136872471144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151 (or 6147 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The spelling of 136872471144 in words is "one hundred thirty-six billion, eight hundred seventy-two million, four hundred seventy-one thousand, one hundred forty-four".