136297928 has 32 divisors (see below), whose sum is σ = 276044160. Its totient is φ = 62717760.

The previous prime is 136297921. The next prime is 136297969. The reversal of 136297928 is 829792631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (136297921) 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, 36383 + ... + 39953.

It is an arithmetic number, because the mean of its divisors is an integer number (8626380).

Almost surely, 2^136297928 is an apocalyptic number.

It is an amenable number.

136297928 is an abundant number, since it is smaller than the sum of its proper divisors (139746232).

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

136297928 is a wasteful number, since it uses less digits than its factorization.

136297928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957 (or 3953 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 136297928 is about 11674.6703593720. The cubic root of 136297928 is about 514.6315622860.

The spelling of 136297928 in words is "one hundred thirty-six million, two hundred ninety-seven thousand, nine hundred twenty-eight".