136189960 has 32 divisors (see below), whose sum is σ = 306811800. Its totient is φ = 54407680.

The previous prime is 136189957. The next prime is 136189961. The reversal of 136189960 is 69981631.

It can be written as a sum of positive squares in 4 ways, for example, as 120077764 + 16112196 = 10958^2 + 4014^2 .

It is not an unprimeable number, because it can be changed into a prime (136189961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40836 + ... + 44044.

Almost surely, 2^136189960 is an apocalyptic number.

136189960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136189960 is an abundant number, since it is smaller than the sum of its proper divisors (170621840).

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

136189960 is a wasteful number, since it uses less digits than its factorization.

136189960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281 (or 4277 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 136189960 is about 11670.0454155072. The cubic root of 136189960 is about 514.4956384331.

It can be divided in two parts, 136 and 189960, that added together give a square (190096 = 436²).

The spelling of 136189960 in words is "one hundred thirty-six million, one hundred eighty-nine thousand, nine hundred sixty".