136685156 has 6 divisors (see below), whose sum is σ = 239199030. Its totient is φ = 68342576.

The previous prime is 136685137. The next prime is 136685173. The reversal of 136685156 is 651586631.

136685156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 87123556 + 49561600 = 9334^2 + 7040^2 .

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 as a sum of consecutive naturals, namely, 17085641 + ... + 17085648.

It is an arithmetic number, because the mean of its divisors is an integer number (39866505).

Almost surely, 2^136685156 is an apocalyptic number.

It is an amenable number.

136685156 is a deficient number, since it is larger than the sum of its proper divisors (102513874).

136685156 is a wasteful number, since it uses less digits than its factorization.

136685156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34171293 (or 34171291 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 136685156 is about 11691.2427055467. The cubic root of 136685156 is about 515.1184645942.

The spelling of 136685156 in words is "one hundred thirty-six million, six hundred eighty-five thousand, one hundred fifty-six".