136203678 has 24 divisors (see below), whose sum is σ = 317809128. Its totient is φ = 41908752.

The previous prime is 136203671. The next prime is 136203679. The reversal of 136203678 is 876302631.

It is a happy number.

136203678 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136203671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290800 + ... + 291267.

It is an arithmetic number, because the mean of its divisors is an integer number (13242047).

Almost surely, 2^136203678 is an apocalyptic number.

136203678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

136203678 is an abundant number, since it is smaller than the sum of its proper divisors (181605450).

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

136203678 is a wasteful number, since it uses less digits than its factorization.

136203678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582088 (or 582085 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 136203678 is about 11670.6331447784. The cubic root of 136203678 is about 514.5129123795.

The spelling of 136203678 in words is "one hundred thirty-six million, two hundred three thousand, six hundred seventy-eight".