136304235 has 32 divisors (see below), whose sum is σ = 243432000. Its totient is φ = 72361728.

The previous prime is 136304209. The next prime is 136304237. The reversal of 136304235 is 532403631.

It is a happy number.

136304235 is a `hidden beast` number, since 1 + 3 + 630 + 4 + 23 + 5 = 666.

It is not a de Polignac number, because 136304235 - 2⁶ = 136304171 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 136304199 and 136304208.

It is not an unprimeable number, because it can be changed into a prime (136304237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28711 + ... + 33119.

It is an arithmetic number, because the mean of its divisors is an integer number (7607250).

Almost surely, 2^136304235 is an apocalyptic number.

136304235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136304235 is a deficient number, since it is larger than the sum of its proper divisors (107127765).

136304235 is a wasteful number, since it uses less digits than its factorization.

136304235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652 (or 4646 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 136304235 is about 11674.9404709403. The cubic root of 136304235 is about 514.6395001205.

Adding to 136304235 its reverse (532403631), we get a palindrome (668707866).

The spelling of 136304235 in words is "one hundred thirty-six million, three hundred four thousand, two hundred thirty-five".