136169561304 has 384 divisors, whose sum is σ = 452282688000. Its totient is φ = 36146829312.

The previous prime is 136169561303. The next prime is 136169561321. The reversal of 136169561304 is 403165961631.

136169561304 is a `hidden beast` number, since 13 + 6 + 16 + 9 + 5 + 613 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 136169561304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136169561303) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 239313532 + ... + 239314100.

It is an arithmetic number, because the mean of its divisors is an integer number (1177819500).

Almost surely, 2^136169561304 is an apocalyptic number.

136169561304 is a gapful number since it is divisible by the number (14) 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 136169561304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226141344000).

136169561304 is an abundant number, since it is smaller than the sum of its proper divisors (316113126696).

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

136169561304 is a wasteful number, since it uses less digits than its factorization.

136169561304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 136169561304 in words is "one hundred thirty-six billion, one hundred sixty-nine million, five hundred sixty-one thousand, three hundred four".