136020028 has 6 divisors (see below), whose sum is σ = 238035056. Its totient is φ = 68010012.

The previous prime is 136020023. The next prime is 136020037. The reversal of 136020028 is 820020631.

It is a junction number, because it is equal to n+sod(n) for n = 136019990 and 136020008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136020023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17002500 + ... + 17002507.

Almost surely, 2^136020028 is an apocalyptic number.

It is an amenable number.

136020028 is a deficient number, since it is larger than the sum of its proper divisors (102015028).

136020028 is a wasteful number, since it uses less digits than its factorization.

136020028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34005011 (or 34005009 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 136020028 is about 11662.7624514949. The cubic root of 136020028 is about 514.2815608277.

Adding to 136020028 its reverse (820020631), we get a palindrome (956040659).

The spelling of 136020028 in words is "one hundred thirty-six million, twenty thousand, twenty-eight".