136545000 has 80 divisors (see below), whose sum is σ = 426613440. Its totient is φ = 36408000.

The previous prime is 136544971. The next prime is 136545007. The reversal of 136545000 is 545631.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (136545007) 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, 10449 + ... + 19551.

It is an arithmetic number, because the mean of its divisors is an integer number (5332668).

Almost surely, 2^136545000 is an apocalyptic number.

136545000 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 136545000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213306720).

136545000 is an abundant number, since it is smaller than the sum of its proper divisors (290068440).

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

136545000 is an equidigital number, since it uses as much as digits as its factorization.

136545000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9132 (or 9113 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 136545000 is about 11685.2471090688. The cubic root of 136545000 is about 514.9423380944.

The spelling of 136545000 in words is "one hundred thirty-six million, five hundred forty-five thousand".