136530028 has 12 divisors (see below), whose sum is σ = 247166640. Its totient is φ = 65910992.

The previous prime is 136530013. The next prime is 136530049. The reversal of 136530028 is 820035631.

It is a junction number, because it is equal to n+sod(n) for n = 136529978 and 136530005.

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, 588376 + ... + 588607.

It is an arithmetic number, because the mean of its divisors is an integer number (20597220).

Almost surely, 2^136530028 is an apocalyptic number.

It is an amenable number.

136530028 is a deficient number, since it is larger than the sum of its proper divisors (110636612).

136530028 is a wasteful number, since it uses less digits than its factorization.

136530028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177016 (or 1177014 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 136530028 is about 11684.6064546479. The cubic root of 136530028 is about 514.9235164642.

Adding to 136530028 its reverse (820035631), we get a palindrome (956565659).

The spelling of 136530028 in words is "one hundred thirty-six million, five hundred thirty thousand, twenty-eight".