136028769 has 8 divisors (see below), whose sum is σ = 181806240. Its totient is φ = 90468576.

The previous prime is 136028749. The next prime is 136028777. The reversal of 136028769 is 967820631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136028769 - 2⁸ = 136028513 is a prime.

It is a super-2 number, since 2×136028769² = 37007651991310722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136028769.

It is not an unprimeable number, because it can be changed into a prime (136028749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52852 + ... + 55365.

It is an arithmetic number, because the mean of its divisors is an integer number (22725780).

Almost surely, 2^136028769 is an apocalyptic number.

It is an amenable number.

136028769 is a deficient number, since it is larger than the sum of its proper divisors (45777471).

136028769 is a wasteful number, since it uses less digits than its factorization.

136028769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108639.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 136028769 is about 11663.1371851659. The cubic root of 136028769 is about 514.2925769477.

The spelling of 136028769 in words is "one hundred thirty-six million, twenty-eight thousand, seven hundred sixty-nine".