136320000 has 220 divisors, whose sum is σ = 460427616. Its totient is φ = 35840000.

The previous prime is 136319983. The next prime is 136320007. The reversal of 136320000 is 23631.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136320007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1919965 + ... + 1920035.

Almost surely, 2^136320000 is an apocalyptic number.

136320000 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 136320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230213808).

136320000 is an abundant number, since it is smaller than the sum of its proper divisors (324107616).

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

136320000 is an frugal number, since it uses more digits than its factorization.

136320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 136320000 is about 11675.6156154611. The cubic root of 136320000 is about 514.6593404895.

Adding to 136320000 its reverse (23631), we get a palindrome (136343631).

The spelling of 136320000 in words is "one hundred thirty-six million, three hundred twenty thousand".