136553165540 has 96 divisors (see below), whose sum is σ = 316184698368. Its totient is φ = 49124160000.

The previous prime is 136553165537. The next prime is 136553165579. The reversal of 136553165540 is 45561355631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 136553165491 and 136553165500.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 49349237 + ... + 49352003.

It is an arithmetic number, because the mean of its divisors is an integer number (3293590608).

Almost surely, 2^136553165540 is an apocalyptic number.

136553165540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136553165540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158092349184).

136553165540 is an abundant number, since it is smaller than the sum of its proper divisors (179631532828).

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

136553165540 is a wasteful number, since it uses less digits than its factorization.

136553165540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109 (or 5107 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 136553165540 in words is "one hundred thirty-six billion, five hundred fifty-three million, one hundred sixty-five thousand, five hundred forty".