136730228 has 12 divisors (see below), whose sum is σ = 239389920. Its totient is φ = 68333112.

The previous prime is 136730179. The next prime is 136730233. The reversal of 136730228 is 822037631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 136730194 and 136730203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3425 + ... + 16887.

It is an arithmetic number, because the mean of its divisors is an integer number (19949160).

Almost surely, 2^136730228 is an apocalyptic number.

It is an amenable number.

136730228 is a deficient number, since it is larger than the sum of its proper divisors (102659692).

136730228 is a wasteful number, since it uses less digits than its factorization.

136730228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16006 (or 16004 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 136730228 is about 11693.1701432930. The cubic root of 136730228 is about 515.1750785641.

Adding to 136730228 its reverse (822037631), we get a palindrome (958767859).

The spelling of 136730228 in words is "one hundred thirty-six million, seven hundred thirty thousand, two hundred twenty-eight".