136885536 has 36 divisors (see below), whose sum is σ = 389269062. Its totient is φ = 45628416.

The previous prime is 136885501. The next prime is 136885549. The reversal of 136885536 is 635588631.

136885536 is a `hidden beast` number, since 1 + 36 + 8 + 85 + 536 = 666.

It can be written as a sum of positive squares in only one way, i.e., 73205136 + 63680400 = 8556^2 + 7980^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 136885491 and 136885500.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237361 + ... + 237936.

Almost surely, 2^136885536 is an apocalyptic number.

136885536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136885536 is an abundant number, since it is smaller than the sum of its proper divisors (252383526).

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

136885536 is a wasteful number, since it uses less digits than its factorization.

136885536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475313 (or 475302 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 136885536 is about 11699.8092292140. The cubic root of 136885536 is about 515.3700623590.

The spelling of 136885536 in words is "one hundred thirty-six million, eight hundred eighty-five thousand, five hundred thirty-six".