136812328 has 32 divisors (see below), whose sum is σ = 272154600. Its totient is φ = 64253952.

The previous prime is 136812317. The next prime is 136812329. The reversal of 136812328 is 823218631.

It is a happy number.

136812328 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 4 ways, for example, as 134050084 + 2762244 = 11578^2 + 1662^2 .

It is a super-2 number, since 2×136812328² = 37435226185559168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 136812293 and 136812302.

It is not an unprimeable number, because it can be changed into a prime (136812329) 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, 135088 + ... + 136096.

Almost surely, 2^136812328 is an apocalyptic number.

It is an amenable number.

136812328 is a deficient number, since it is larger than the sum of its proper divisors (135342272).

136812328 is a wasteful number, since it uses less digits than its factorization.

136812328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029 (or 2025 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 136812328 is about 11696.6802127783. The cubic root of 136812328 is about 515.2781706451.

The spelling of 136812328 in words is "one hundred thirty-six million, eight hundred twelve thousand, three hundred twenty-eight".