136854499320 has 768 divisors, whose sum is σ = 580443494400. Its totient is φ = 28421902080.

The previous prime is 136854499307. The next prime is 136854499321. The reversal of 136854499320 is 23994458631.

136854499320 is a `hidden beast` number, since 1 + 3 + 6 + 8 + 544 + 9 + 93 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136854499321) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 74094637 + ... + 74096483.

It is an arithmetic number, because the mean of its divisors is an integer number (755785800).

Almost surely, 2^136854499320 is an apocalyptic number.

136854499320 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 136854499320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290221747200).

136854499320 is an abundant number, since it is smaller than the sum of its proper divisors (443588995080).

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

136854499320 is a wasteful number, since it uses less digits than its factorization.

136854499320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 136854499320 in words is "one hundred thirty-six billion, eight hundred fifty-four million, four hundred ninety-nine thousand, three hundred twenty".