136539000 has 256 divisors, whose sum is σ = 511056000. Its totient is φ = 33523200.

The previous prime is 136538999. The next prime is 136539023. The reversal of 136539000 is 935631.

136539000 is a `hidden beast` number, since 1 + 3 + 653 + 9 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 350806 + ... + 351194.

Almost surely, 2^136539000 is an apocalyptic number.

136539000 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 136539000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255528000).

136539000 is an abundant number, since it is smaller than the sum of its proper divisors (374517000).

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

136539000 is a wasteful number, since it uses less digits than its factorization.

136539000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 136539000 is about 11684.9903722682. The cubic root of 136539000 is about 514.9347955277.

The spelling of 136539000 in words is "one hundred thirty-six million, five hundred thirty-nine thousand".