136205604 has 48 divisors (see below), whose sum is σ = 371716800. Its totient is φ = 43011648.

The previous prime is 136205561. The next prime is 136205611. The reversal of 136205604 is 406502631.

136205604 is a `hidden beast` number, since 1 + 36 + 20 + 5 + 604 = 666.

136205604 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×136205604² = 37103933122009632, which contains 22 as substring.

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

136205604 is strictly pandigital in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31137 + ... + 35240.

It is an arithmetic number, because the mean of its divisors is an integer number (7744100).

Almost surely, 2^136205604 is an apocalyptic number.

It is an amenable number.

136205604 is an abundant number, since it is smaller than the sum of its proper divisors (235511196).

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

136205604 is a wasteful number, since it uses less digits than its factorization.

136205604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66409 (or 66401 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 136205604 is about 11670.7156592901. The cubic root of 136205604 is about 514.5153375397.

The spelling of 136205604 in words is "one hundred thirty-six million, two hundred five thousand, six hundred four".