136833428 has 12 divisors (see below), whose sum is σ = 239674260. Its totient is φ = 68355072.

The previous prime is 136833427. The next prime is 136833457. The reversal of 136833428 is 824338631.

It can be written as a sum of positive squares in 2 ways, for example, as 45859984 + 90973444 = 6772^2 + 9538^2 .

It is a junction number, because it is equal to n+sod(n) for n = 136833391 and 136833400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136833427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10223 + ... + 19446.

It is an arithmetic number, because the mean of its divisors is an integer number (19972855).

Almost surely, 2^136833428 is an apocalyptic number.

It is an amenable number.

136833428 is a deficient number, since it is larger than the sum of its proper divisors (102840832).

136833428 is a wasteful number, since it uses less digits than its factorization.

136833428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30826 (or 30824 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 136833428 is about 11697.5821433320. The cubic root of 136833428 is about 515.3046590244.

The spelling of 136833428 in words is "one hundred thirty-six million, eight hundred thirty-three thousand, four hundred twenty-eight".